Flow Designer fails to start showing message "Waiting for flow execution data"Issue Flow designer does not start , message "Waiting for flow execution data" CauseThere are no Flow Engine Event Handler in the sys_trigger that is in READY state to process the flow. sys_trigger_list.do?sysparm_query=name%3DFlow%20Engine%20Event%20Handler ResolutionCheck the instance for event processing being overloaded. 1. System Diagnotics > Diagnostic Page If Events pending in red, check with Performance team. 2. Make sure that there are Flow Engine Event Handler in the sys_trigger in READY state to process flow sys_trigger_list.do?sysparm_query=name%3DFlow%20Engine%20Event%20Handler