Jira ask for a mandatory field, that does not exist in the field configuration scheme

[Victor Motta]

When I create an issue, the system ask for a mandatory field, that does not exist in the field configuration scheme. The fields defined for this issue does not include this mandatory field. I revised the field configuration scheme, and I do not find this mandatory field... Where can I find this mandatory field, that the system ask for?

Thanks in advance for your help.

VML 

[Alexey Matveev]

Hello,

Kindly find the workflow, which is used by the created issue, and look for validators for the create transition. There can be a required field validator or something like this.