Hi Bernhard,
There is a solutionn for this in the SAP Note http://service.sap.com/sap/support/notes/1602674
7. Runtime issues
Cannot view the BP or Item Master Data list in the Mobile app.
- Root Cause 1: The SQL language setting for the sa user was set to another language than English.
- Solution 1: Set the SQL user (normally the sa user) language to English.
- Root cause 2: The DateFormat parameter in the SQL Server is set to another value than ymd.
- Solution 2: Run the query 'Set DateFormat ymd'
Att