upgrading from version: 9.1.8
to the latest 10.1.1
got an error when upgrading from web interface when “updating Core” on the top of the page
Server error 200: OK Message: SyntaxError: Unexpected token < in JSON at position 0See your webserver logs for details.
this is the error displayed in the logs
[proxy_fcgi:error] [pid 2876:tid 140259891255040] [client x.xx.xx.xx:xxxxx] AH01071: Got error ‘PHP message: PHP Fatal error: Uncaught Error: Class ‘OCP\App’ not found in /home/XXXXXX/mydomain/apps/files/appinfo/app.php:28\nStack trace:\n#0 {main}\n thrown in /home/XXXXXX/mydomain/apps/files/appinfo/app.php on line 28\n’
if anyone can help me that’d be great, cheers all