How To Fix EEWMGBC228 - Key fields must be alphanumeric fields

EEWMGBC228 - Overview

• Message type: E = Error

• Message class: EEWMGBC - GBC: GIS Business Connector

• Message number: 228

• Message text: Key fields must be alphanumeric fields

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 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