Fatal error: Class 'FOFModelDispatcherBehavior' not found - Joomla! Forum - community, help and support

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i'm receiving message when logging in backend of joomla 3.6.5 site:
fatal error: class 'fofmodeldispatcherbehavior' not found in /home/cssdar/public_html/delnorte/libraries/fof/model/model.php on line 573

i have captured backup of site, has been updated since backup. can backend migration 3.6.5 3.7.2? how? solve issue?

front end of site displays fine.

the missing class defined in file /libraries/fof/model/dispatcher/behavior.php, may have been deleted or got corrupted. can find file in installation archive of joomla 3.6.5 , copy server.

if more files missing, copy files 3.6.5. zip archive, except installation folder.





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