How to check who deleted an inspection plan?

Hi SAP expert,

When we effort to unfastened an inspection lot, we person mistake "Inspection program DIGITS has been deleted". Nobody cognize however it is possible. We didn't delete Inspection Plan. And we person feeling, that much Inspection Plan were deleted. Is anticipation to find deleted Inspection Plans? And who deleted it and however ? We would similar to bid users, however to/why NO delete utilizing Inspection Plan. 

Thanks for explanation.

BR and person a bully day

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