How To Fix STW_OL208 - Ambiguous parameter combination

SAP Error Message - Details

• Message type: E = Error

• Message class: STW_OL - Messages of the Object Layer (Stream Work Library)

• Message number: 208

• Message text: Ambiguous parameter combination

What causes this issue?

The method if_stw_api~get_user was called with a combination of multiple
parameters supplied. All of these had the initial value. However, this
does not make it possible to distinguish whether the user should
correspond to the initial backend user, the initial email address, or
the initial StreamWork user.

System Response

An exception has been raised; the current API call has been terminated.

How to fix this error?

Provide a non-initial value for one of the parameters. If initial values
are intended, the code of the calling application has to be changed:
Supply only the parameter that should be used to retrieve the user.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message STW_OL208 - Ambiguous parameter combination ?

  The SAP error message STW_OL208, which indicates an "Ambiguous parameter combination," typically arises when there are conflicting or overlapping parameters in a transaction or function module call. This can occur in various contexts, such as when using selection screens, function modules, or reports where multiple parameters are defined, and the system cannot determine which one to use.
  Cause:
  
  Conflicting Parameters: The error often occurs when two or more parameters are defined in such a way that they cannot be used together. For example, if a selection screen allows for both a date range and a specific date, the system may not know which one to prioritize.
  Incorrect Configuration: Sometimes, the configuration of the parameters in the program or transaction may not be set up correctly, leading to ambiguity.
  User Input: If a user inputs values that conflict with the expected parameters, this can trigger the error.
  
  Solution:
  
  Review Parameter Definitions: Check the definitions of the parameters in the program or transaction. Ensure that there are no conflicting parameters that could lead to ambiguity.
  Modify Selection Criteria: If the error arises from a selection screen, consider modifying the selection criteria to ensure that only one of the conflicting parameters can be used at a time. This can be done by making one of the parameters mandatory and the other optional or by using radio buttons to allow only one selection.
  Check User Input: Ensure that the input provided by the user does not conflict with the expected parameters. Provide clear instructions on how to use the selection screen or transaction.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the ambiguity arises. Look for the logic that processes the parameters and see if there are any conditions that need to be adjusted.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction or function module to understand the expected parameter combinations.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the STW_OL208 error. SAP frequently updates its knowledge base with solutions for common errors.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and the solutions they implemented.
  Transaction Codes: If the error occurs in a specific transaction, note the transaction code and search for related documentation or troubleshooting guides.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.