How To Fix TB407 - Internal error (incorrect parameter (&))

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 407

• Message text: Internal error (incorrect parameter (&))

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 TB407 - Internal error (incorrect parameter (&)) ?

  The SAP error message TB407 "Internal error (incorrect parameter (&))" typically indicates that there is an issue with the parameters being passed to a function or transaction within the SAP system. This error can arise from various causes, including:
  Causes:
  
  Incorrect Configuration: There may be a misconfiguration in the system settings or parameters that are being used in a particular transaction or function module.
  Data Issues: The data being processed may not meet the expected format or constraints, leading to an internal error.
  Custom Code: If there are custom developments (ABAP programs, enhancements, etc.), they may be passing incorrect parameters to standard SAP functions.
  System Bugs: There could be a bug in the SAP system or a specific version that is causing this error to occur under certain conditions.
  
  Solutions:
  
  Check Parameters: Review the parameters being passed to the function or transaction that triggered the error. Ensure they are valid and conform to the expected data types and formats.
  Review Custom Code: If there are any custom developments involved, check the code for any logic that might be passing incorrect parameters. Debugging the code may help identify the issue.
  Transaction Logs: Check transaction logs or system logs (SM21) for additional information that might provide context for the error.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  System Update: Ensure that your SAP system is up to date with the latest support packages and patches, as these may contain fixes for known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the transaction code, steps to reproduce the error, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the functionality you are using.
  Debugging: Use the ABAP debugger to step through the code if you suspect a custom program is causing the issue.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and potentially resolve the TB407 error in your SAP system.