How To Fix 5P019 - Masking of a parameter is incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: 5P - Error Messages for Schema, Pers.Calc.Rule and Feature Checks

• Message number: 019

• Message text: Masking of a parameter is incorrect

What causes this issue?

The wildcard character you have used for the operation is not
permissible.

How to fix this error?

Read the documentation on the operation and enter a suitable character.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5P019 - Masking of a parameter is incorrect ?

  The SAP error message 5P019, which states "Masking of a parameter is incorrect," typically occurs in the context of SAP's parameter handling, particularly when dealing with user-defined parameters or settings in various SAP modules. This error can arise due to several reasons, including incorrect configuration, data entry errors, or issues with the underlying data model.
  Causes:
  
  
  Incorrect Parameter Masking: The parameter masking defined in the system does not match the expected format or length. This can happen if the parameter is defined with a specific mask (like a certain number of digits or characters) and the input does not conform to that mask.
  
  
  Data Type Mismatch: The data type of the parameter being passed may not match the expected data type. For example, if a numeric value is expected but a string is provided, this can trigger the error.
  
  
  Configuration Issues: There may be issues in the configuration settings of the relevant module or transaction, leading to incorrect parameter handling.
  
  
  User Input Errors: Users may enter values that do not conform to the expected format, leading to this error.
  
  
  Solutions:
  
  
  Check Parameter Definitions: Review the parameter definitions in the relevant configuration settings. Ensure that the masking and data types are correctly defined.
  
  
  Validate User Input: Ensure that the input provided by users adheres to the expected format. Implement input validation checks to prevent incorrect data entry.
  
  
  Review Configuration Settings: If the error occurs in a specific module or transaction, review the configuration settings for that module. Make sure that all parameters are correctly set up.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution to see where the parameter masking is failing. This can provide insights into what is going wrong.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the parameters and their expected formats.
  
  
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for assistance. They may have additional insights or patches available.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide updates and patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Ensure that users are trained on the correct input formats and understand the importance of adhering to parameter masking rules.
  
  By following these steps, you should be able to identify the cause of the 5P019 error and implement a solution to resolve it.