Hello, i have this error when go to composer:

"
Fatal error: Call to a member function getWorkflows() on a non-object in /home/coacav/public_html/concrete/single_pages/dashboard/composer/write.php on line 15"

and this when go to DB backup: "Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 8126456 bytes) in /home/coacav/public_html/concrete/core/libraries/backup.php on line 141"

Please can help me anyone?

Thanks!