Message type: E = Error
Message class: VELO - Vehicle Management System
Message number: 221
Message text: Error occurred while converting EXTENSION structure
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The SAP error message VELO221, which states "Error occurred while converting EXTENSION structure," typically occurs during the processing of data in SAP systems, particularly when dealing with data structures that include extensions. This error can arise in various contexts, such as during data uploads, interface processing, or when working with custom developments. Causes: Data Structure Mismatch: The structure of the data being processed does not match the expected structure defined in the system. This can happen if there are changes in the data model or if the data being sent does not conform to the expected format. Missing Fields: Required fields in the extension structure may be missing or not populated correctly. Data Type Issues: There may be issues with data types, such as trying to insert a string into a numeric field or vice versa. Custom Code Issues: If there is custom code involved in processing the extension structure, there may be bugs or
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