3507791 - Custom fields app not working after upgrade to S/4HANA 2023 FPS01

Symptom

Custom Fields app not working after upgrade to S/4HANA 2023 FPS01. App hangs with busy screen. Error in browser console:

Assertion failed: Could not find entity type of collection "DataSubjectIdSet" in service metadata!

Uncaught TypeError: Cannot read properties of undefined (reading 'key') at z.createKey (core-ext-light-2.js:265:23615) at Object._transformCodeListEntryKey (Component-preload.js:54:9952) at Object._setCodeListData (Component-preload.js:54:8620) at Object.<anonymous> (Component-preload.js:54:6407) at z._processSuccess (core-ext-light-2.js:265:41444) at u (core-ext-light-2.js:265:32601) at h (core-ext-light-2.js:265:33172) at u (core-ext-light-2.js:265:29196) at core-ext-light-2.js:265:72524 at datajs-dbg.js:1637:14

Environment

S/4Hana 2023 SP01
Custom Fields and Logic

Product

SAP S/4HANA 2023

Keywords

DataSubjectIdSet reading 'key' Custom Fields , KBA , BC-SRV-APS-EXT-FLD , Custom Fields , Problem

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