I updated all the plugins to the latest versions but still the same : hidden link (pwd : gat_2018)
Server error log : [Mon Jun 04 16:03:53 2018] [error] [client 128.59.138.175] PHP Fatal error: Can't inherit abstract function ICRED_Field_Command::execute() (previously declared abstract in CRED_Field_Command_Base) in /var/www/html/wordpress-multisite/wp-content/plugins/cred-frontend-editor/application/models/field/command/base.php on line 6
I removed it, and installed the 2.0 fresh and activated . Same error :
[Wed Jun 06 15:42:53 2018] [error] [client 108.41.142.17] PHP Fatal error: Can't inherit abstract function ICRED_Field_Command::execute() (previously declared abstract in CRED_Field_Command_Base) in /var/www/html/wordpress-multisite/wp-content/plugins/cred-frontend-editor/application/models/field/command/base.php on line 6, referer: hidden link