How To Fix BT603 - Parameter & is empty or invalid (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 603

• Message text: Parameter & is empty or invalid (&)

What causes this issue?

When an external program was started, the system discovered an error
when checking parameter &V1&. This parameter has value &V2&. Please
note that this parameter cannot be assigned a value, which is the cause
of this error message.

System Response

An exception was triggered and processing was cancelled. In
particular, no external programs were started.

How to fix this error?

Check the above parameter in the function module call.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BT603 - Parameter & is empty or invalid (&) ?

  The SAP error message BT603 indicates that a parameter is either empty or invalid. This error typically arises in the context of Business Transaction (BT) processing, where certain parameters are expected to be populated with valid values.
  Cause:
  
  Missing Parameter: The parameter that is being referenced in the error message is not being passed to the function or transaction.
  Invalid Value: The parameter is present but contains an invalid value that does not meet the expected criteria or format.
  Configuration Issues: There may be issues with the configuration of the transaction or the business process that is leading to the parameter not being set correctly.
  Data Integrity Issues: The underlying data may be corrupted or not properly maintained, leading to invalid parameters being generated.
  
  Solution:
  
  Check Parameter Values: Review the parameters being passed to the transaction or function. Ensure that all required parameters are populated and that they contain valid values.
  Debugging: If you have access to the SAP system, use the debugger to trace the execution and identify where the parameter is being set or passed. This can help pinpoint the source of the issue.
  Review Configuration: Check the configuration settings related to the business transaction. Ensure that all necessary settings are correctly configured.
  Data Validation: Validate the data being used in the transaction. Ensure that it adheres to the expected formats and values.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or function module to understand the expected parameters and their valid values.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check specific transaction codes related to the business process you are working with.
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the BT603 error and implement a solution to resolve it.