I see this error sometimes:
Warning: include_once(.../wp-content/plugins/wp-filebase/classes/EmbeddedForm.php): failed to open stream: No such file or directory in .../wp-content/plugins/wp-filebase/wp-filebase.php on line 41
Warning: include_once(): Failed opening '.../wp-content/plugins/wp-filebase/classes/EmbeddedForm.php' for inclusion (include_path='.:/opt/php54/lib/php') in .../wp-content/plugins/wp-filebase/wp-filebase.php on line 41
WP-Filebase Error: Could not include class file 'EmbeddedForm'!
Fatal error: Class 'WPFB_EmbeddedForm' not found in .../wp-content/plugins/wpfb-logger/classes/OnDownload.php on line 34