Thanks a million for your help everyone.
Leon, you were correct. We were using a bash script written a few years ago which moved a backed up theme directory into the update directory which was causing the problem.
I made some changes to the script and all the issues on the theme page went away.
Tony.
Leon, you were correct. We were using a bash script written a few years ago which moved a backed up theme directory into the update directory which was causing the problem.
I made some changes to the script and all the issues on the theme page went away.
Tony.