Stack trace error only for one user

Finance and Operations/AX Technical Forum
1

Only one user gets this error: FormCheckBoxControl object not initialized in line 11 in init method in form(this line is calling super()). The other users open the form normally.
Any help please?

2

Have you tried to delete usage data for this particular user and form?

3

Yes, but it didn’t work.

4

Yes, but it didn’t work.