How To Fix SK121 - Format error

SAP Error Message - Details

• Message type: E = Error

• Message class: SK - SAPcomm messages

• Message number: 121

• Message text: Format error

What causes this issue?

The message content format is invalid.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SK121 - Format error ?

  The SAP error message SK121, which indicates a "Format error," typically occurs when there is an issue with the format of data being processed in the system. This error can arise in various contexts, such as during data entry, file uploads, or when executing certain transactions.
  Causes of SK121 Format Error:
  
  Incorrect Data Format: The data being entered or uploaded does not conform to the expected format. This could include incorrect date formats, numeric values, or string lengths.
  Field Length Exceeded: The data exceeds the maximum length defined for a particular field in the database.
  Invalid Characters: The presence of special characters or symbols that are not allowed in the specific field.
  Configuration Issues: Incorrect configuration settings in the system that define how data should be formatted or validated.
  Data Type Mismatch: Attempting to input data of one type (e.g., text) into a field that expects another type (e.g., numeric).
  
  Solutions to SK121 Format Error:
  
  Check Data Format: Review the data you are trying to enter or upload. Ensure that it matches the expected format (e.g., date formats like YYYY-MM-DD, numeric fields without special characters).
  Field Length Verification: Ensure that the data does not exceed the maximum length allowed for the field. If necessary, truncate or adjust the data accordingly.
  Remove Invalid Characters: Scan the data for any invalid characters and remove or replace them as needed.
  Review Configuration Settings: If you have access, check the configuration settings related to the data entry or upload process to ensure they are set correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the data formats required for the transaction or process you are working with.
  Testing: If possible, test with a small set of data that is known to be correct to isolate the issue.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes, so knowing the specific transaction can help in troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the SK121 error.
  User Forums: SAP Community and other user forums can provide insights from other users who may have encountered the same error.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify and resolve the SK121 format error in your SAP system.