How To Fix FDT_TRACE_INFO421 - &1 condition &2: does not match pattern &3

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_TRACE_INFO - Messages to enrich traces with additional info

• Message number: 421

• Message text: &1 condition &2: does not match pattern &3

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 FDT_TRACE_INFO421 - &1 condition &2: does not match pattern &3 ?

  The SAP error message FDT_TRACE_INFO421 typically indicates that there is a mismatch between the expected format of a certain field and the actual value being processed. This error is often related to the use of Field Data Management (FDM) or similar functionalities in SAP, where data validation is performed against predefined patterns.
  Cause:
  The error message can occur due to several reasons:
  
  Data Format Mismatch: The value being processed does not conform to the expected format or pattern defined in the system. For example, if a field is expected to contain a numeric value but receives a string or an incorrectly formatted number.
  Configuration Issues: There may be issues with the configuration of the data fields, such as incorrect patterns defined in the data model.
  User Input Errors: Users may input data that does not match the expected format, leading to this error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Input Data: Review the data being inputted to ensure it matches the expected format. For example, if the field expects a date in the format YYYY-MM-DD, ensure that the input adheres to this format.
  
  
  Review Field Configuration: Check the configuration of the field in the FDM or related module. Ensure that the pattern defined for the field is correct and matches the expected input.
  
  
  Adjust Patterns: If necessary, adjust the patterns defined in the system to accommodate the valid data formats that are being used.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the field and its expected formats.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution to see where the mismatch occurs and gather more context about the error.
  
  
  User Training: If user input is a frequent cause of this error, consider providing training or guidelines on the expected data formats.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE80 (Object Navigator) or SE37 (Function Module).
  Field Data Management: Understanding the principles of Field Data Management in SAP can provide insights into how data validation is performed and how to configure it properly.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support or consult with a technical expert familiar with your specific SAP environment.