Message type: E = Error
Message class: IEN -
Message number: 173
Message text: Automatic reservation is not a valid reference
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IEN173
- Automatic reservation is not a valid reference ?The SAP error message IEN173, which states "Automatic reservation is not a valid reference," typically occurs in the context of inventory management or production planning when there is an issue with the automatic reservation process. This error can arise due to several reasons, and understanding the cause is essential for finding a solution. Causes: Invalid Reference Document: The reference document for the automatic reservation may not exist or may have been deleted. Incorrect Configuration: There may be issues with the configuration settings related to automatic reservations in the system. Data Inconsistencies: There could be inconsistencies in the master data, such as material master records or reservation records. Authorization Issues: The user may not have the necessary authorizations to create or view the automatic reservation. System Errors: There may be temporary system errors or issues with the database that prevent the reservation from being processed correctly. Solutions: Check Reference Document: Verify that the reference document (e.g., sales order, production
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