NX Saving a file will report that the Property Find No. is not modifiable

The assembly is failing to save with the following message:
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The following objects failed to save:
While saving ItemID/ItemRev - ItemName:ItemID/ItemRev - ItemName - while saving product structure data to Teamcenter: Property Find No. is not modifiable.
<<OK>>
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Solution

This can be resolved by changing the value of the Teamcenter preference:
   PS_Duplicate_FindNo_Update
This preference deals with whether or not duplicate find number values are allowed in certain cases on multiple instances of the same child part in a given parent. If the same find number assigned to multiple instances of the same part in a parent is needed, this site preference should be set to "true" to make sure that such assemblies successfully save.
In Teamcenter, go to 'Edit-->Options' and change this preference. Then re-start both Teamcenter and NX.

Notes and References

Hardware/Software Configuration

Platform: all
OS: n/a
OS Version: n/a
Product: NX
Application: NXMANAGER
Version: V12.0.2
Function: FILE_SAVE

Ref: 001-9606011