{"0":"Warning: file_put_contents(\/var\/www\/html\/b2b\/var\/cache\/\/mage-tags\/mage---8c4_TRANSLATE): failed to open stream: Permission denied in \/var\/www\/html\/b2b\/vendor\/colinmollenhour\/cache-backend-file\/File.php on line 663","1":"#0 [internal function]: Magento\\Framework\\App\\ErrorHandler->handler(2, 'file_put_conten...', '\/var\/www\/html\/b...', 663, Array)
#1
I am getting this error all of a sudden... Whenever I give permissions, Magento 2 works for that day only. Next day morning I am getting this error.
I enabled Magento backups in admin panel.
How to resolve this permanently?