I have Similar issue in PCS7 V9.0 SP3 . but this time error code is 300:9 . 

I checked  project folder AMOBIJS . But i didn't found AMDBASE.log file i found only  AMDBase.db. Can anyone confirm that this is okay or not ?

------------------------------------------------------------------------------------------
Split from Database problem.

Closed cause question posted twice.

The second thread with the subject "Cannot start database" is published within the conference Process Control Systems SIMATIC PCS 7.

Best regards,
Jen_Moderator
​