2008857 - Please enter a valid Rule-ID for ZCL_GRAC_WFA_RISK_OWNER

Risk Owner agent is created according to SAP Note 1670504, but upon registering the new class ZCL_GRAC_WFA_RISK_OWNER in MSMP Workflow configuration Step 2 (Maintain Rules), the following error is shown:

Please enter a valid Rule-ID

SAP Access Control 12.0

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