diff --git a/src/main/java/org/olat/course/nodes/_i18n/LocalStrings_en.properties b/src/main/java/org/olat/course/nodes/_i18n/LocalStrings_en.properties
index 95fbce8ba5a5459bb0370b849013190c30d4b5fc..081542872708fc930fda19ca078a879d8ccb86af 100644
--- a/src/main/java/org/olat/course/nodes/_i18n/LocalStrings_en.properties
+++ b/src/main/java/org/olat/course/nodes/_i18n/LocalStrings_en.properties
@@ -15,6 +15,7 @@ title_den=Assignment of dates
 title_dialog=File dialog
 title_en=Enrolment
 title_fo=Forum
+title_gta=Grouptask
 title_iqself=Self-test
 title_iqsurv=Questionnaire
 title_iqtest=Test
diff --git a/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_de.properties
index 65ef7cf8a243d21015002def9d60d13a4ad7b2c3..04c210dd5ca52a31a9b402a9b80b833fe0a21c50 100644
--- a/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_de.properties
@@ -9,14 +9,14 @@ bulk.review=Beurteilung herunterladen
 bulk.solutions=Musterl\u00F6sungen herunterladen
 bulk.submitted.documents=Abgegebene Dokumenten
 change.group=Aktive Gruppe w\u00E4chseln
-change.group.description=Sie sind in mehrere Gruppen.
+change.group.description=Sie sind in mehreren Gruppen eingetragen.
 choose.areas=Lernbereich ausw\u00E4hlen
 choose.groups=Gruppe ausw\u00E4hlen
 choosed.areas=Lernbereich
 choosed.groups=Gruppe
 coach.assessment=Bewerten
 coach.close.revision.button=Close revisions process
-coach.corrections.description=Sie haben folgende corrections zur\u00FCckgegeben.
+coach.corrections.description=Sie haben folgende Korrekturen zur\u00FCckgegeben.
 coach.documents.successfully.reviewed=Reviewed\!
 coach.need.revision.button=Need revision
 coach.reviewed.button=Reviewed
@@ -25,7 +25,7 @@ coach.submit.corrections.to.revision.button=Corrections absenden
 coach.submitted.documents.description=Diese Dokument wurde abgegeben.
 coach.task.assigned.description=Following task have been assigned
 coach.waiting.assignment=Warten auf Zuweisung
-coach.waiting.submitted.documents=Warten auf den Dokumenten
+coach.waiting.submitted.documents=Warten auf die Dokumente
 condition.accessibility.title=Zugang
 confirm.delete.solution.description=Wollen Sie wirklich diese L\u00F6sung "{0}" l\u00F6schen?
 confirm.delete.solution.title=L\u00F6sung l\u00F6schen
@@ -41,17 +41,17 @@ editor.title=Abgabe Konfiguration
 embedded.editor=Abgage mit externen Editor (PDF)
 enabled=eingeschaltet
 error.assignment.closed=Zuweisung ist geschlossen.
-error.duplicate.coaching=Der Teilnehmer ist Teilnehmer von mehrere Gruppe f\u00FCr diesen Aufgabe.
+error.duplicate.coaching=Der Teilnehmer ist Teilnehmer von mehrere Gruppe f\u00FCr diese Aufgabe.
 error.duplicate.memberships=Die folgende Teilnehmer sind Mitglieder von mehereren Gruppen\: {1}
 error.editor.atLeastOne=Sie m\u00FCssen mindestens ein Typ von Editor w\u00E4hlen.
-error.max.documents=Sie d\u00FCrfen nicht mehr als <b>{0}</b> Dokument(en) abgeben. Aber sie k\u00F6nnen noch ein Dokument austa\u00FCchen oder editieren.
+error.max.documents=Sie d\u00FCrfen nicht mehr als <b>{0}</b> Dokument(e) abgeben. Aber sie k\u00F6nnen noch ein Dokument austa\u00FCchen oder editieren.
 error.missing.group=Sie haben noch kein Gruppe gew\u00E4hlt
 error.missing.score.config=Missing score configuration
-error.missing.solutions=Sie haben noch keine L\u00F6sungen hochgeladet
+error.missing.solutions=Sie haben noch keine L\u00F6sungen hochgeladen
 error.missing.tasks=Sie habe keine Dokumenten um Zuweisung
 error.no.group=Sie sind in kein Gruppe
 error.nomoretasks=Es stehen keine weiteren Aufgaben zur Auswahl. Bitte kontaktieren Sie Ihren Kursbetreuer oder Ihre Kursbetreuerin.
-error.not.member.message=Reserviert zu Teilnehmer von dem Aufgabe
+error.not.member.message=Reserviert f\u00FCr die Teilnehmer der Aufgabe
 error.not.member.title=Reserviert zu Teilnehmer von dem Aufgabe
 error.number.format=Max. Dokument muss ein Nummer zwischen 1 und 12 sein oder Feld leer lassen.
 error.select.atleastonestep=Sie haben keine Schritte gew\u00E4hlt
@@ -62,15 +62,15 @@ group.passed=Gruppe bestanden/nicht bestanden
 group.score=Gruppe Punkte
 group.title=Leistungs\u00FCbersicht
 log.title=\u00C4nderungsverlauf
-mail.confirm.assignment.body=Zuweisung wurde erfolgreich
+mail.confirm.assignment.body=Zuweisung war erfolgreich
 mail.confirm.assignment.subject=Zuweisung
 max.documents=Max. Anzahl von Dokumenten
 notifications.correction=Neue Korrektur "{0}" von "{1}"
 notifications.header=Gruppenaufgabe in Kurs "{0}"
-notifications.revision.group=Neue revisions "{0}" von "{2}" hochgeladet f\u00FCr Gruppe "{1}"
+notifications.revision.group=Neue revisions "{0}" von "{2}" hochgeladen f\u00FCr die Gruppe "{1}"
 notifications.revision.individual=Neue revisions "{0}" von "{1}"
 notifications.solution=Neue Musterl\u00F6sung "{0}"
-notifications.submission.group=Neue abgegebene Dokumenten "{0}" von "{2}" hochgeladet f\u00FCr Gruppe "{1}"
+notifications.submission.group=Neue abgegebene Dokumenten "{0}" von "{2}" hochgeladen f\u00FCr Gruppe "{1}"
 notifications.submission.individual=Neue abgegebene Dokumenten "{0}" von "{1}"
 open.editor=L\u00F6sung editieren
 open.group=Gruppe \u00F6ffnen
@@ -83,8 +83,8 @@ pane.tab.workflow=Workflow
 preview=$org.olat.course.nodes.ta\:form.task.preview
 preview.disabled=$org.olat.course.nodes.ta\:form.task.without.preview
 preview.enabled=$org.olat.course.nodes.ta\:form.task.with.preview
-replace=Austa\u00FCchen
-replace.document=Dokument austa\u00FCchen
+replace=Austauschen
+replace.document=Dokument austauschen
 review.and.correction=Review and correction
 review.enabled=eingeschaltet
 revision.enabled=can be set by coach
diff --git a/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_en.properties b/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_en.properties
index dbb66927a8401f02284a3a4e1361c662892beb89..067f6f70f651cae4011de19be518aea922c6e365 100644
--- a/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_en.properties
+++ b/src/main/java/org/olat/course/nodes/gta/ui/_i18n/LocalStrings_en.properties
@@ -1,6 +1,7 @@
 #Tue Mar 31 14:19:30 CEST 2015
 add.solution=Add solution
 add.task=Add task
+assessment.group.tool=Grade Group
 assignment.config.title=Task assignment configuration
 assignment.deadline=Assignment deadline
 before=Before
@@ -8,17 +9,23 @@ bulk.review=Download review
 bulk.solutions=Download solutions
 bulk.submitted.documents=Download submitted documents
 change.group=Change active group
-change.group.description=You are participating also in other groups.
+change.group.description=You are participating in multiple groups.
 choose.areas=Selected areas
 choose.groups=Selected groups
 choosed.areas=Areas
 choosed.groups=Groups
+coach.assessment=Grade
 coach.close.revision.button=Close revisions process
+coach.corrections.description=You have returned following corrections
 coach.documents.successfully.reviewed=Reviewed\!
 coach.need.revision.button=Need revision
 coach.reviewed.button=Reviewed
-coach.submit.corrections.to.revision.button=Corrections absenden
+coach.revisions.description=You have reviewed following documents
+coach.submit.corrections.to.revision.button=Send corrections
+coach.submitted.documents.description=This document has been submitted
 coach.task.assigned.description=Following task have been assigned
+coach.waiting.assignment=Waiting for assignment
+coach.waiting.submitted.documents=Waiting for documents
 condition.accessibility.title=Access
 confirm.delete.solution.description=Do you want to delete this solution "{0}"?
 confirm.delete.solution.title=Delete submitted solution 
@@ -33,12 +40,38 @@ edit.task=Edit task
 editor.title=Submission configuration
 embedded.editor=Submit files created with external editor (e.g. PDF)
 enabled=enabled
+error.assignment.closed=Assignment is closed
+error.duplicate.coaching=This user is member of multiple groups in this task.
+error.duplicate.memberships=The following users are member of multiple groups\: {1}
 error.editor.atLeastOne=You must choose at least one kind of editor.
+error.max.documents=You are not allowd to submit more than <b>{0}</b> Documents. You are able to edit or change a document.
+error.missing.group=You have not selected no group yet
 error.missing.score.config=Missing score configuration
+error.missing.solutions=You have not submitted any solutions yet
+error.missing.tasks=You have no documents to assign
 error.no.group=You are not in a group
+error.nomoretasks=There are no more tasks to choose. Please contact your coach.
+error.not.member.message=Reserved for task members
+error.not.member.title=Reserviert zu Teilnehmer von dem Aufgabe
+error.number.format=Max. Dokument muss ein Nummer zwischen 1 und 12 sein oder Feld leer lassen.
+error.select.atleastonestep=Sie haben keine Schritte gew\u00E4hlt
 external.editor=Submit with embedded text editor
 grading=Grading
+group.apply.toall=For the whole group
+group.passed=Groups passed/failed
+group.score=Group score
+group.title=Leistungs\u00FCbersicht
 log.title=Change log
+mail.confirm.assignment.body=Assignment was succesful
+mail.confirm.assignment.subject=Assignment
+max.documents=Max. number of documents
+notifications.correction=New correction "{0}" of "{1}"
+notifications.header=Grouptask in course "{0}"
+notifications.revision.group=New revisions "{0}" of "{2}" uploaded for group "{1}"
+notifications.revision.individual=New revisions "{0}" of "{1}"
+notifications.solution=New sample solutions "{0}"
+notifications.submission.group=New documents "{0}" von "{2}" submitted for group "{1}"
+notifications.submission.individual=Neue submitted documents "{0}" of "{1}"
 open.editor=Open solution editor
 open.group=Open group
 pane.tab.accessibility=Access
@@ -58,6 +91,7 @@ revision.enabled=can be set by coach
 revision.period=Revision period
 run.assignment.due.date=Due date\: {0}
 run.assignment.title=Task assignment
+run.coach=Correct
 run.corrections.description=Your coach attached the following files for you\:
 run.documents.successfully.submitted=Your document(s) have been successfully submitted.
 run.grading=Grading
@@ -69,14 +103,17 @@ run.review.waiting=Your coach is now reviewing the turned in documents. You will
 run.revised.description=The following revised documents have been turned in by you\:
 run.revision=Revision period
 run.revision.period.description=Your coach added a revision period. Create or upload a revised document.
+run.run=Task
 run.solution=Sample solution
 run.solution.available.date={0}
 run.solutions.description=The following sample solutions are available for download\:
 run.submit=Submit
+run.submit.button=Submit
 run.submit.due.date=Due date\: {0}
 run.submit.individual.description.all=Turn in your solution by either uploading a document you created on your computer or use the editor to write your solution right here.
 run.submit.individual.description.editor=Turn in your solution by using the editor to write your solution right here.
 run.submit.individual.description.upload=Turn in your solution by uploading a document you created on your computer.
+run.submit.revision.button=Submit revisions
 run.submitted.description=The following solutions have been turned in by you\:
 sample.solution=Sample solution
 sample.solution.enabled=enabled
@@ -90,8 +127,10 @@ solution.list.description=Select "Add solution" to add a solution or "Edit" to m
 solution.list.title=Upload sample solutions
 solution.title=Title
 submission=Submission
+submission.confirmation=The submission of the file "$filename" for $first $last ($email) at $date has been confirmed.
 submission.email.confirmation=Send text additionally as email
 submission.enabled=drop box enabled
+submission.mail.subject=OpenOLAT-confirmation-E-Mail
 submission.text=Text after handling in
 submit.deadline=Submission deadline
 table.header.details.gta=$org.olat.course.nodes.ta\:table.header.details.ta
diff --git a/src/main/java/org/olat/course/reminder/ui/_i18n/LocalStrings_en.properties b/src/main/java/org/olat/course/reminder/ui/_i18n/LocalStrings_en.properties
index 50e1dec8add84075c75ba4909575ec24957c21b1..88a7d25eaf5be6286bb4e2781ddcfc03a1d8e50d 100644
--- a/src/main/java/org/olat/course/reminder/ui/_i18n/LocalStrings_en.properties
+++ b/src/main/java/org/olat/course/reminder/ui/_i18n/LocalStrings_en.properties
@@ -47,5 +47,5 @@ table.header.sendTime=Send time
 table.header.status=Status
 table.header.username=Username
 tools=Tools
-weeks=Weeks
+week=Weeks
 year=Years