How To Fix SMT019 - Fixed values are only allowed for input parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT -

• Message number: 019

• Message text: Fixed values are only allowed for input parameters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT019 - Fixed values are only allowed for input parameters ?

  The SAP error message SMT019 ("Fixed values are only allowed for input parameters") typically occurs in the context of SAP's Business Process Management (BPM) or when working with certain types of function modules or methods that involve parameters. This error indicates that you are trying to use fixed values for parameters that are not defined as input parameters.
  Cause:
  
  Parameter Type Mismatch: The error arises when you attempt to assign fixed values to parameters that are not designated as input parameters. In SAP, parameters can be classified as input, output, or input/output. Fixed values can only be assigned to input parameters.
  Incorrect Configuration: The configuration of the function module or method may not align with the expected usage of parameters.
  Data Type Issues: There may be a mismatch in the expected data types for the parameters being used.
  
  Solution:
  
  Check Parameter Definitions: Review the definitions of the parameters in the function module or method you are using. Ensure that you are only assigning fixed values to parameters that are explicitly defined as input parameters.
  Modify the Call: If you are trying to pass fixed values to output or input/output parameters, you will need to modify your call to only use fixed values for input parameters.
  Adjust the Logic: If the logic of your program requires the use of fixed values for output parameters, consider redesigning the logic to accommodate the correct parameter types.
  Consult Documentation: Refer to the SAP documentation for the specific function module or method to understand the expected parameter types and their usage.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific function module or method you are using.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Debugging: Use the debugging tools in SAP to step through the code and identify where the error is being triggered, which can provide additional context for resolving the issue.
  
  By following these steps, you should be able to identify the cause of the SMT019 error and implement a solution to resolve it.