When logging to accounting, the following Error Message pops out.
The error message appears due to ICITEM files are found in the UBSSTK2015 / UBSACC2015 folder.
To solve the error:
Close the UBS Application.
Go to C:\UBSSTK2015\.
Cut all ICITEM files and paste them elsewhere.
Log in to the UBS application.
If the issue happens in Accounting, delete the file in C:\UBSACC2015\