How To Fix COM_ATTRFRG_GEN134 - Invalid data type for key field (Example: Checkbox, Quantity, Amount ...)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_ATTRFRG_GEN - Message Class for Generating Attributes and Sets

• Message number: 134

• Message text: Invalid data type for key field (Example: Checkbox, Quantity, Amount ...)

What causes this issue?

You are not allowed to use attributes with the data type checkbox
(ANKR), quantity (QUAN), amount (CURR), or short string (SSTR) as the
key fields of an extension.

System Response

Your entry is rejected.

How to fix this error?

Use attributes with another data type.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message COM_ATTRFRG_GEN134 - Invalid data type for key field (Example: Checkbox, Quantity, Amount ...) ?

  The SAP error message COM_ATTRFRG_GEN134 indicates that there is an invalid data type for a key field in a configuration or data entry process. This error typically arises when the system expects a specific data type for a key field, but the provided data does not match that expectation. Common examples of invalid data types include using a checkbox where a numeric value is expected, or providing a string where a quantity or amount is required.
  Causes:
  
  Data Type Mismatch: The most common cause is that the data being entered does not match the expected data type for the key field. For example, entering a string in a field that expects a numeric value.
  Configuration Issues: There may be issues in the configuration of the data model or the attributes of the key fields in the system.
  User Input Error: Users may inadvertently enter incorrect data types due to misunderstanding the field requirements.
  Integration Issues: If data is being imported from another system, the data types may not align correctly.
  
  Solutions:
  
  Check Data Entry: Review the data being entered for the key field and ensure it matches the expected data type. For example, if a numeric value is expected, ensure that only numbers are entered.
  Review Field Configuration: Check the configuration of the key fields in the relevant data model or transaction. Ensure that the data types are correctly defined.
  Validation Rules: Implement validation rules to prevent incorrect data types from being entered in the first place. This can help guide users to enter the correct data.
  Consult Documentation: Refer to SAP documentation or help resources to understand the expected data types for specific fields.
  Testing: If changes are made to the configuration, conduct thorough testing to ensure that the issue is resolved and that no new issues arise.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module).
  User Training: Provide training for users on the correct data entry practices to minimize the occurrence of this error in the future.
  Error Logs: Review error logs for additional context or related errors that may provide further insight into the issue.
  
  By addressing the root cause of the data type mismatch and ensuring proper configuration and user training, you can effectively resolve the COM_ATTRFRG_GEN134 error in SAP.