GnuCash 3.0 under Windows 10

Sat Apr 7 08:39:43 EDT 2018

help! I need somebodys Help!

after years using GnuCash without any problems I installed GnuCash 3.0 
and got the following problem: look at the Screen Shot attached.

Is there anybody who can help?

Thanks in advance!

best greetings

Knut

-- 
Knut Persson
Robert-Koch-Straße 3
22880 Wedel
04103-70 36 434

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