diff --git a/aleksis/apps/untis/locale/ar/LC_MESSAGES/django.po b/aleksis/apps/untis/locale/ar/LC_MESSAGES/django.po
index 3e256bfc1b5d95600c7dbdb52f9d01a1a7ebc4c1..3229ae7910051f8e604be7311d3f2be58c87cda6 100644
--- a/aleksis/apps/untis/locale/ar/LC_MESSAGES/django.po
+++ b/aleksis/apps/untis/locale/ar/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-15 14:10+0200\n"
+"POT-Creation-Date: 2020-04-01 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -23,7 +23,7 @@ msgstr ""
 msgid "Untis XML export"
 msgstr ""
 
-#: management/commands/untis_import.py:10
+#: management/commands/untis_import.py:9
 msgid "Path to Untis XML export file"
 msgstr ""
 
@@ -31,25 +31,25 @@ msgstr ""
 msgid "Units import"
 msgstr ""
 
-#: templates/untis/untis_import.html:6
+#: templates/untis/untis_import.html:8 templates/untis/untis_import.html:9
 msgid "Import Untis data"
 msgstr ""
 
-#: templates/untis/untis_import.html:13
+#: templates/untis/untis_import.html:14
 msgid ""
 "\n"
-"        Untis provides a function for exporting all data as an XML file.\n"
-"      "
+"      Untis provides a function for exporting all data as an XML file.\n"
+"    "
 msgstr ""
 
-#: templates/untis/untis_import.html:19
+#: templates/untis/untis_import.html:21
 msgid ""
 "\n"
 "        Newly imported data will be valid as of tomorrow.\n"
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:22
+#: templates/untis/untis_import.html:24
 msgid ""
 "\n"
 "        The effective dates of all existing lessons will be set to end\n"
@@ -57,7 +57,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:26
+#: templates/untis/untis_import.html:28
 msgid ""
 "\n"
 "        The effective dates of all newly imported lessons will be set to\n"
@@ -65,7 +65,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:30
+#: templates/untis/untis_import.html:32
 msgid ""
 "\n"
 "        Teachers, rooms, subjects and classes and periods will be updated in "
@@ -73,26 +73,22 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:41
-msgid "Process"
-msgstr ""
-
-#: util.py:68
+#: util.py:78
 #, python-format
 msgid "Class %s"
 msgstr ""
 
-#: util.py:81
+#: util.py:92
 #, python-format
 msgid "Could not set class teacher of %(class)s to %(teacher)s."
 msgstr ""
 
-#: util.py:130
+#: util.py:153
 #, python-format
 msgid "Invalid list of classes: %s"
 msgstr ""
 
-#: util.py:138
+#: util.py:161
 #, python-format
 msgid "Failed to import lesson: Teacher %s does not exist."
 msgstr ""
diff --git a/aleksis/apps/untis/locale/de_DE/LC_MESSAGES/django.po b/aleksis/apps/untis/locale/de_DE/LC_MESSAGES/django.po
index 2113b823905a43666484c52b242c905b033e7542..93a6366df421fb76cd0872a96bd3779cab1b9082 100644
--- a/aleksis/apps/untis/locale/de_DE/LC_MESSAGES/django.po
+++ b/aleksis/apps/untis/locale/de_DE/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-15 14:10+0200\n"
+"POT-Creation-Date: 2020-04-01 13:25+0200\n"
 "PO-Revision-Date: 2019-09-15 13:40+0000\n"
 "Last-Translator: Tom Teichler <tom.teichler@teckids.org>\n"
 "Language-Team: German <https://translate.edugit.org/projects/aleksis-sis/"
@@ -23,7 +23,7 @@ msgstr ""
 msgid "Untis XML export"
 msgstr "Untis-XML-Export"
 
-#: management/commands/untis_import.py:10
+#: management/commands/untis_import.py:9
 msgid "Path to Untis XML export file"
 msgstr "Pfad zur Untis-XML-Exportdatei"
 
@@ -31,22 +31,27 @@ msgstr "Pfad zur Untis-XML-Exportdatei"
 msgid "Units import"
 msgstr "Untis-Import"
 
-#: templates/untis/untis_import.html:6
+#: templates/untis/untis_import.html:8 templates/untis/untis_import.html:9
 msgid "Import Untis data"
 msgstr "Untis-Daten importieren"
 
-#: templates/untis/untis_import.html:13
+#: templates/untis/untis_import.html:14
+#, fuzzy
+#| msgid ""
+#| "\n"
+#| "        Untis provides a function for exporting all data as an XML file.\n"
+#| "      "
 msgid ""
 "\n"
-"        Untis provides a function for exporting all data as an XML file.\n"
-"      "
+"      Untis provides a function for exporting all data as an XML file.\n"
+"    "
 msgstr ""
 "\n"
 "        Untis bietet eine Funktion zum Exportieren aller Daten als XML-"
 "Datei.\n"
 "      "
 
-#: templates/untis/untis_import.html:19
+#: templates/untis/untis_import.html:21
 msgid ""
 "\n"
 "        Newly imported data will be valid as of tomorrow.\n"
@@ -56,7 +61,7 @@ msgstr ""
 "        Neu importierte Daten sind ab morgen gültig.\n"
 "      "
 
-#: templates/untis/untis_import.html:22
+#: templates/untis/untis_import.html:24
 msgid ""
 "\n"
 "        The effective dates of all existing lessons will be set to end\n"
@@ -68,7 +73,7 @@ msgstr ""
 "        heute.\n"
 "      "
 
-#: templates/untis/untis_import.html:26
+#: templates/untis/untis_import.html:28
 msgid ""
 "\n"
 "        The effective dates of all newly imported lessons will be set to\n"
@@ -80,7 +85,7 @@ msgstr ""
 "        startet morgen.\n"
 "      "
 
-#: templates/untis/untis_import.html:30
+#: templates/untis/untis_import.html:32
 msgid ""
 "\n"
 "        Teachers, rooms, subjects and classes and periods will be updated in "
@@ -92,31 +97,30 @@ msgstr ""
 "aktualisiert.\n"
 "      "
 
-#: templates/untis/untis_import.html:41
-msgid "Process"
-msgstr "Importieren"
-
-#: util.py:68
+#: util.py:78
 #, python-format
 msgid "Class %s"
 msgstr "Klasse %s"
 
-#: util.py:81
+#: util.py:92
 #, python-format
 msgid "Could not set class teacher of %(class)s to %(teacher)s."
 msgstr ""
 "Der Klassenlehrer von %(class)s konnte nicht auf %(teacher)s  gesetzt werden."
 
-#: util.py:130
+#: util.py:153
 #, python-format
 msgid "Invalid list of classes: %s"
 msgstr "Ungültige Liste von Klassen: %s"
 
-#: util.py:138
+#: util.py:161
 #, python-format
 msgid "Failed to import lesson: Teacher %s does not exist."
 msgstr "Fehler beim Importieren der Stunde: Lehrer %s existiert nicht."
 
+#~ msgid "Process"
+#~ msgstr "Importieren"
+
 #~ msgid "AlekSIS - Untis interface"
 #~ msgstr "AlekSIS - Untis-Schnittstelle"
 
diff --git a/aleksis/apps/untis/locale/fr/LC_MESSAGES/django.po b/aleksis/apps/untis/locale/fr/LC_MESSAGES/django.po
index 539d5fd87467804d60e348795f4af9189ae6116a..a522ca9ba754e0ede15749a88826560e66b148a6 100644
--- a/aleksis/apps/untis/locale/fr/LC_MESSAGES/django.po
+++ b/aleksis/apps/untis/locale/fr/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-15 14:10+0200\n"
+"POT-Creation-Date: 2020-04-01 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -22,7 +22,7 @@ msgstr ""
 msgid "Untis XML export"
 msgstr ""
 
-#: management/commands/untis_import.py:10
+#: management/commands/untis_import.py:9
 msgid "Path to Untis XML export file"
 msgstr ""
 
@@ -30,25 +30,25 @@ msgstr ""
 msgid "Units import"
 msgstr ""
 
-#: templates/untis/untis_import.html:6
+#: templates/untis/untis_import.html:8 templates/untis/untis_import.html:9
 msgid "Import Untis data"
 msgstr ""
 
-#: templates/untis/untis_import.html:13
+#: templates/untis/untis_import.html:14
 msgid ""
 "\n"
-"        Untis provides a function for exporting all data as an XML file.\n"
-"      "
+"      Untis provides a function for exporting all data as an XML file.\n"
+"    "
 msgstr ""
 
-#: templates/untis/untis_import.html:19
+#: templates/untis/untis_import.html:21
 msgid ""
 "\n"
 "        Newly imported data will be valid as of tomorrow.\n"
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:22
+#: templates/untis/untis_import.html:24
 msgid ""
 "\n"
 "        The effective dates of all existing lessons will be set to end\n"
@@ -56,7 +56,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:26
+#: templates/untis/untis_import.html:28
 msgid ""
 "\n"
 "        The effective dates of all newly imported lessons will be set to\n"
@@ -64,7 +64,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:30
+#: templates/untis/untis_import.html:32
 msgid ""
 "\n"
 "        Teachers, rooms, subjects and classes and periods will be updated in "
@@ -72,26 +72,22 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:41
-msgid "Process"
-msgstr ""
-
-#: util.py:68
+#: util.py:78
 #, python-format
 msgid "Class %s"
 msgstr ""
 
-#: util.py:81
+#: util.py:92
 #, python-format
 msgid "Could not set class teacher of %(class)s to %(teacher)s."
 msgstr ""
 
-#: util.py:130
+#: util.py:153
 #, python-format
 msgid "Invalid list of classes: %s"
 msgstr ""
 
-#: util.py:138
+#: util.py:161
 #, python-format
 msgid "Failed to import lesson: Teacher %s does not exist."
 msgstr ""
diff --git a/aleksis/apps/untis/locale/la/LC_MESSAGES/django.po b/aleksis/apps/untis/locale/la/LC_MESSAGES/django.po
new file mode 100644
index 0000000000000000000000000000000000000000..f0ec391608ce91ea9794ff679e79d5c2f73fcd1a
--- /dev/null
+++ b/aleksis/apps/untis/locale/la/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-04-01 13:25+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: forms.py:6
+msgid "Untis XML export"
+msgstr ""
+
+#: management/commands/untis_import.py:9
+msgid "Path to Untis XML export file"
+msgstr ""
+
+#: menus.py:6
+msgid "Units import"
+msgstr ""
+
+#: templates/untis/untis_import.html:8 templates/untis/untis_import.html:9
+msgid "Import Untis data"
+msgstr ""
+
+#: templates/untis/untis_import.html:14
+msgid ""
+"\n"
+"      Untis provides a function for exporting all data as an XML file.\n"
+"    "
+msgstr ""
+
+#: templates/untis/untis_import.html:21
+msgid ""
+"\n"
+"        Newly imported data will be valid as of tomorrow.\n"
+"      "
+msgstr ""
+
+#: templates/untis/untis_import.html:24
+msgid ""
+"\n"
+"        The effective dates of all existing lessons will be set to end\n"
+"        today.\n"
+"      "
+msgstr ""
+
+#: templates/untis/untis_import.html:28
+msgid ""
+"\n"
+"        The effective dates of all newly imported lessons will be set to\n"
+"        start tomorrow.\n"
+"      "
+msgstr ""
+
+#: templates/untis/untis_import.html:32
+msgid ""
+"\n"
+"        Teachers, rooms, subjects and classes and periods will be updated in "
+"place.\n"
+"      "
+msgstr ""
+
+#: util.py:78
+#, python-format
+msgid "Class %s"
+msgstr ""
+
+#: util.py:92
+#, python-format
+msgid "Could not set class teacher of %(class)s to %(teacher)s."
+msgstr ""
+
+#: util.py:153
+#, python-format
+msgid "Invalid list of classes: %s"
+msgstr ""
+
+#: util.py:161
+#, python-format
+msgid "Failed to import lesson: Teacher %s does not exist."
+msgstr ""
diff --git a/aleksis/apps/untis/locale/nb_NO/LC_MESSAGES/django.po b/aleksis/apps/untis/locale/nb_NO/LC_MESSAGES/django.po
index e619476bb22988ecea0a3410284e4aa78ef6a09d..f0ec391608ce91ea9794ff679e79d5c2f73fcd1a 100644
--- a/aleksis/apps/untis/locale/nb_NO/LC_MESSAGES/django.po
+++ b/aleksis/apps/untis/locale/nb_NO/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-15 14:10+0200\n"
+"POT-Creation-Date: 2020-04-01 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -21,7 +21,7 @@ msgstr ""
 msgid "Untis XML export"
 msgstr ""
 
-#: management/commands/untis_import.py:10
+#: management/commands/untis_import.py:9
 msgid "Path to Untis XML export file"
 msgstr ""
 
@@ -29,25 +29,25 @@ msgstr ""
 msgid "Units import"
 msgstr ""
 
-#: templates/untis/untis_import.html:6
+#: templates/untis/untis_import.html:8 templates/untis/untis_import.html:9
 msgid "Import Untis data"
 msgstr ""
 
-#: templates/untis/untis_import.html:13
+#: templates/untis/untis_import.html:14
 msgid ""
 "\n"
-"        Untis provides a function for exporting all data as an XML file.\n"
-"      "
+"      Untis provides a function for exporting all data as an XML file.\n"
+"    "
 msgstr ""
 
-#: templates/untis/untis_import.html:19
+#: templates/untis/untis_import.html:21
 msgid ""
 "\n"
 "        Newly imported data will be valid as of tomorrow.\n"
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:22
+#: templates/untis/untis_import.html:24
 msgid ""
 "\n"
 "        The effective dates of all existing lessons will be set to end\n"
@@ -55,7 +55,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:26
+#: templates/untis/untis_import.html:28
 msgid ""
 "\n"
 "        The effective dates of all newly imported lessons will be set to\n"
@@ -63,7 +63,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:30
+#: templates/untis/untis_import.html:32
 msgid ""
 "\n"
 "        Teachers, rooms, subjects and classes and periods will be updated in "
@@ -71,26 +71,22 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:41
-msgid "Process"
-msgstr ""
-
-#: util.py:68
+#: util.py:78
 #, python-format
 msgid "Class %s"
 msgstr ""
 
-#: util.py:81
+#: util.py:92
 #, python-format
 msgid "Could not set class teacher of %(class)s to %(teacher)s."
 msgstr ""
 
-#: util.py:130
+#: util.py:153
 #, python-format
 msgid "Invalid list of classes: %s"
 msgstr ""
 
-#: util.py:138
+#: util.py:161
 #, python-format
 msgid "Failed to import lesson: Teacher %s does not exist."
 msgstr ""
diff --git a/aleksis/apps/untis/locale/tr_TR/LC_MESSAGES/django.po b/aleksis/apps/untis/locale/tr_TR/LC_MESSAGES/django.po
index e619476bb22988ecea0a3410284e4aa78ef6a09d..f0ec391608ce91ea9794ff679e79d5c2f73fcd1a 100644
--- a/aleksis/apps/untis/locale/tr_TR/LC_MESSAGES/django.po
+++ b/aleksis/apps/untis/locale/tr_TR/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-15 14:10+0200\n"
+"POT-Creation-Date: 2020-04-01 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -21,7 +21,7 @@ msgstr ""
 msgid "Untis XML export"
 msgstr ""
 
-#: management/commands/untis_import.py:10
+#: management/commands/untis_import.py:9
 msgid "Path to Untis XML export file"
 msgstr ""
 
@@ -29,25 +29,25 @@ msgstr ""
 msgid "Units import"
 msgstr ""
 
-#: templates/untis/untis_import.html:6
+#: templates/untis/untis_import.html:8 templates/untis/untis_import.html:9
 msgid "Import Untis data"
 msgstr ""
 
-#: templates/untis/untis_import.html:13
+#: templates/untis/untis_import.html:14
 msgid ""
 "\n"
-"        Untis provides a function for exporting all data as an XML file.\n"
-"      "
+"      Untis provides a function for exporting all data as an XML file.\n"
+"    "
 msgstr ""
 
-#: templates/untis/untis_import.html:19
+#: templates/untis/untis_import.html:21
 msgid ""
 "\n"
 "        Newly imported data will be valid as of tomorrow.\n"
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:22
+#: templates/untis/untis_import.html:24
 msgid ""
 "\n"
 "        The effective dates of all existing lessons will be set to end\n"
@@ -55,7 +55,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:26
+#: templates/untis/untis_import.html:28
 msgid ""
 "\n"
 "        The effective dates of all newly imported lessons will be set to\n"
@@ -63,7 +63,7 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:30
+#: templates/untis/untis_import.html:32
 msgid ""
 "\n"
 "        Teachers, rooms, subjects and classes and periods will be updated in "
@@ -71,26 +71,22 @@ msgid ""
 "      "
 msgstr ""
 
-#: templates/untis/untis_import.html:41
-msgid "Process"
-msgstr ""
-
-#: util.py:68
+#: util.py:78
 #, python-format
 msgid "Class %s"
 msgstr ""
 
-#: util.py:81
+#: util.py:92
 #, python-format
 msgid "Could not set class teacher of %(class)s to %(teacher)s."
 msgstr ""
 
-#: util.py:130
+#: util.py:153
 #, python-format
 msgid "Invalid list of classes: %s"
 msgstr ""
 
-#: util.py:138
+#: util.py:161
 #, python-format
 msgid "Failed to import lesson: Teacher %s does not exist."
 msgstr ""