German GUI missing in SDL Passolo 2016 CU12 (Build 408, Published on 14 March 2018)

Question

I have just updated from SDL Passolo 2016 Build 391 to SDL Passolo 2016 CU12 (Build 408, Published on 14 March 2018). After that I am unable to change the GUI language to German. Only English is available, German is grayed out.
Will there be a fix to enable German again?

TIA Andreas

Andreas Ternes · Accepted Answer

I have received an answer from SDL Support in between saying that this is caused by a defect in Passolo CU12: CRQ-9390 
This is set to be fixed in the next update, possibly to be released next month. 
 
THX for yoiur answers.

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German GUI missing in SDL Passolo 2016 CU12 (Build 408, Published on 14 March 2018)