Message type: E = Error
Message class:  PPC0 - Messages for PP Confirmation 
Message number: 019
Message text: No valid values could be determined
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message PPC0019, which states "No valid values could be determined," typically occurs in the context of planning and forecasting within the SAP system, particularly in the Production Planning (PP) or Sales and Operations Planning (SOP) modules. This error indicates that the system was unable to find valid data or values for a specific planning object or parameter. Causes: Missing Master Data: The required master data (like material master, BOM, routing, etc.) may not be maintained or may be incomplete. Incorrect Planning Parameters: The planning parameters or settings may not be correctly configured, leading to the inability to derive valid values. Data Inconsistencies: There may be inconsistencies in the data, such as missing or incorrect entries in the planning tables. Version Issues: The planning version being used may not have any valid data or may not be activated. Selection Criteria: The selection criteria used in the planning run may be too restrictive, resulting in
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