How To Fix CODEGEN000 - Illegal Input Error

SAP Error Message - Details

• Message type: E = Error

• Message class: CODEGEN - Message Class For ABAP Management Objects Repository

• Message number: 000

• Message text: Illegal Input Error

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 CODEGEN000 - Illegal Input Error ?

  The SAP error message CODEGEN000 "Illegal Input Error" typically occurs during the code generation process in SAP systems, particularly when there is an issue with the input data or parameters being processed. This error can arise in various contexts, such as during the execution of ABAP programs, when generating reports, or while working with certain transactions.
  Causes:
  
  Invalid Input Data: The input data provided to the program or function module may not meet the expected format or criteria.
  Data Type Mismatch: There may be a mismatch between the expected data types and the actual data types being passed.
  Missing Required Fields: Required fields may be missing or not populated correctly.
  Configuration Issues: There may be issues with the configuration settings in the system that affect how data is processed.
  Custom Code Issues: If there are custom developments or modifications, they may contain errors that lead to this message.
  
  Solutions:
  
  Check Input Data: Review the input data being provided to the program or transaction. Ensure that all required fields are populated and that the data is in the correct format.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact cause of the illegal input.
  Review Data Types: Ensure that the data types of the input parameters match the expected types in the program or function module.
  Consult Documentation: Check the documentation for the specific transaction or program to understand the expected input and any constraints.
  Check Custom Code: If the error occurs in custom code, review the logic for any potential issues or errors in handling input data.
  System Configuration: Verify that the system configuration is correct and that there are no settings that could lead to this error.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  Transaction Codes: If the error occurs in a specific transaction, note the transaction code and check for known issues related to that transaction.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation and resolution.