https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=37971 --- Comment #2 from Md Monirul <mdmiansarilib@gmail.com> --- I have solved the prevuious problem, its happend because of the mismatch with the username and passowrd in MySQL and username and password in koha-conf.xml , After I changed my password in both location, the error has been solved. But Koha webpage is not loading, rather showing this error, "BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Koha.pm line 25. Compilation failed in require at /etc/koha/plack.psgi line 29. BEGIN failed--compilation aborted at /etc/koha/plack.psgi line 29. Child process 161801 exited with status 13 I/O error : Permission denied I/O error : Permission denied Error while loading /etc/koha/plack.psgi: Error reading file /etc/koha/sites/monirul/koha-conf.xml. Try running this again as the koha instance user (or use the koha-shell command in debian) " -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.