A manager was able to submit a position without the Location field. How is it possible?

Summary:

A manager was able to submit a position without the Location, even though the Location field is a required field. I am not able to recreate the issue in Test.

Content (required):

A manager was able to submit a position without the Location which is a required field. I am not able to recreate the issue in Test.

I appreciate any tip how it is possible and how can we prevent this happening again?

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