The only thing I can think of is that since you migrated it into a different project it may have a different configuration (like which onlinesubsystem it is using) and different plugins enabled. Try comparing the plugins and the ini files.
The only thing I can think of is that since you migrated it into a different project it may have a different configuration (like which onlinesubsystem it is using) and different plugins enabled. Try comparing the plugins and the ini files.