Document file can't open after seafile pro upgrade to version 7

Not able to open any document file and get “internal error” after upgrading from 6.3.13 to 7.0.14. Libre office version “LibreOffice 10m0(Build:2)”, Python version 2.7.12. Only upgrade script was run nothing else was changed still document file is not able to open while it was working fine with 6.3.13. Under pid folder there is no pid for eafevent