I recently copied over a couple of CMSMS driven sites to a new webserver (the files + databses). And changed the copnfig.php accordingly. Most of the sites are running on CMSMS 1.2.3. The websites themselves are working, but when browsing to the admin backend , only a blank page appears.
I should mention that after I moved the sites I noticed I was missing the following 3 files
-logon.php
-logonstyle.php
-logout.php
So I took those files from an original installation. Not sure if this is ok to do really...

When turning on the debug I get the following errors:
http://internet-marketing-service.be/admin/login.php
http://genebanc.eu/admin/login.php
http://exklusive-baumaterialien.de/admin/login.php
The MySQL databases seem to be fine though and when importing them to the new server there were no errors.
Does anyone have an idea what the cause of this problem could be?
Thx.
Bert