How To Fix 0Q126 - Illegal parameter value: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 0Q - Microsoft SQL Server Porting

• Message number: 126

• Message text: Illegal parameter value: &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0Q126 - Illegal parameter value: &1 ?

  The SAP error message 0Q126 Illegal parameter value: &1 typically indicates that a parameter value being passed to a function or transaction is not valid or is outside the acceptable range. This error can occur in various contexts, such as during data entry, report generation, or when executing specific transactions.
  Causes:
  
  Invalid Input: The user may have entered a value that does not conform to the expected format or range.
  Configuration Issues: There may be issues with the configuration of the system or the specific module being used.
  Data Integrity Issues: The underlying data may be corrupted or not properly maintained, leading to invalid parameter values.
  Custom Code: If there are custom developments or enhancements, they may be passing incorrect values to standard SAP functions.
  
  Solutions:
  
  Check Input Values: Review the values being entered for the parameters. Ensure they are within the expected range and format.
  Review Documentation: Consult the relevant SAP documentation or help files to understand the expected values for the parameters in question.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the illegal parameter value is being generated.
  Configuration Review: Check the configuration settings related to the transaction or function module to ensure they are set up correctly.
  Data Validation: Run data validation checks to ensure that the underlying data is consistent and correct.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the module you are working with.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and potential solutions.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.