Message type: E = Error
Message class:  FMAVC - Message class AVC funds management 
Message number: 505
Message text: Select a valid derivation strategy for availability control ledger &1
The derivation strategy (environment) &V3& you have selected does not
exist or cannot be used for availability control ledger &V1&.
Processing stops.
Select a valid derivation strategy (environment) with strategy ID &V2&.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FMAVC505, which states "Select a valid derivation strategy for availability control ledger &1," typically occurs in the context of Availability Control (AVC) in SAP's Funds Management (FM) module. This error indicates that the system is unable to find a valid derivation strategy for the specified availability control ledger.
Cause: Missing Derivation Strategy: The derivation strategy for the specified availability control ledger is not defined in the system. Incorrect Configuration: The configuration settings for the availability control ledger may be incorrect or incomplete. Ledger Not Active: The availability control ledger may not be active or properly set up in the system. Authorization Issues: There may be authorization issues preventing the system from accessing the necessary configuration.
Solution: Check Configuration: Go to the configuration settings for Availability Control in the SAP system. Navigate to the path: SPRO > Public Sector Management > Funds Management > Availability Control > Define Derivation Strategies. Ensure that a valid derivation strategy is
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