Unknown property used in expression: ${testTimer}

Camunda 7 Topics
1

I use delegate expression in the process, but sometimes the entire task goes through and sometimes an error is reported ：Unknown property used in expression: ${testTimer}. Cause: Cannot resolve identifier ‘testTimer’

2

@qi_song Can you provide the bpmn file?

3

thank you for your replay,I had resolved this problem, 3q!