Error message

• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of /home/garaje67/Dominios/remauto/sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of /home/garaje67/Dominios/remauto/sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of /home/garaje67/Dominios/remauto/sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of /home/garaje67/Dominios/remauto/sites/all/modules/webform/webform.module).