Message type: E = Error
Message class:  GZ - Message class for FI-LC 
Message number: 204
Message text: Set & not defined
The SET was not found in the SETS database.
Error message in Table Maintenance
Define the SET in the following step:
-> Special Purpose Ledger   -> SET Maintenance   -> SET  -> Create
Error message extract from SAP system. Copyright SAP SE.
The SAP error message GZ204 "Set & not defined" typically occurs in the context of inventory management or material management when the system is unable to find a specific set that is referenced in a transaction or process. This error can arise in various scenarios, such as during the creation of a delivery, posting of goods movements, or when trying to access a specific set of data that has not been defined in the system. Causes: Missing Set Definition: The set that is being referenced in the transaction has not been defined in the system. Incorrect Configuration: There may be a configuration issue where the set is not properly linked to the relevant material or process. Data Inconsistency: There could be inconsistencies in the master data or transactional data that lead to the system being unable to locate the set. Authorization Issues: The user may not have the necessary authorizations to access the set. Solutions: Define the
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