A few days ago I migrated from our old Moodle server to another manually (moodledata files migrated via copy/paste). Everything is working properly but files not opening although exists all files. I checked the permission etc. but not lucky.
I have checked to mdl_files table on SQL, everything looks exists even moodledata files exist.
When I click the file to open then I see the error like below:
Thanks for your help.