Requirement:
1 Multiple persons sign at the same time
2 Process goes end when all signed.
3 Anyone can add others into the process, or assign to someone.
4 It is a sub-process.
process diagram(HBDW Approval Sub_Process)
At present, I use parallel split, but it does't run as expected:
Process is compelete, and some task was canceled.
The requirement is reasonable but design is failed
