Message type: E = Error
Message class: EEWMGBC - GBC: GIS Business Connector
Message number: 228
Message text: Key fields must be alphanumeric fields
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EEWMGBC228
- Key fields must be alphanumeric fields ?The SAP error message EEWMGBC228, which states "Key fields must be alphanumeric fields," typically occurs in the context of data entry or configuration in SAP systems, particularly when dealing with key fields in database tables or structures. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Data Type Mismatch: The error arises when a key field is defined with a data type that does not support alphanumeric characters. Key fields in SAP must be defined as character (CHAR) or string (STRING) types to accommodate alphanumeric values. Incorrect Configuration: If you are trying to create or modify a table, structure, or data element, and the key field is not set up correctly, this error can occur. Input Data Issues: If you are trying to input data into a key field that is not alphanumeric (e.g., numeric only), this error will be triggered.
Solution: Check Field Definitions: Review the definitions of the key fields in
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