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R12: While Selecting The Option "Allow Code 1 Only" In Project Class Category The Following Error Occurs: Cannot update category; reference to category exists (Doc ID 2428345.1)

Last updated on NOVEMBER 16, 2022

Applies to:

Oracle Project Foundation - Version 12.2.6 and later
Information in this document applies to any platform.


On Project Class Category form , when selecting the option "Allow Code 1 Only" the following error occurs.

Cannot update category; reference to category exists

The issue can be reproduced at will with the following steps:
1. Projects responsibility > Setup > Projects > Classification
2. Query for Class Category which you are looking to change
3. On this Class Category try to enable the option "Allow 1 Code Only"
4. Error occurs



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