How To Fix UCUW155 - Invalid parameters: Data stream and data stream type were both specified

SAP Error Message - Details

• Message type: E = Error

• Message class: UCUW -

• Message number: 155

• Message text: Invalid parameters: Data stream and data stream type were both specified

What causes this issue?

The database list is started with parameters that are contained in the
URL. These parameters specify either the data stream type (for all data
streams of the <DS:GLOS.3C14A7065A82D511B1250008C784EFB1>data basis</>
or the data stream (for data streams at
<DS:GLOS.77F1BB51B62DD14CA9C4D380E11B1C9F>source data bases</>). The
current call contains both of these parameters.

System Response

The database list will not be started.

How to fix this error?

Change the URL so that it contains either the data stream type or the
data stream.

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 UCUW155 - Invalid parameters: Data stream and data stream type were both specified ?

  The SAP error message UCUW155 indicates that there is a conflict in the parameters being passed to a function or transaction related to data streams. Specifically, it suggests that both a data stream and a data stream type have been specified simultaneously, which is not allowed.
  Cause:
  This error typically occurs in scenarios where:
  
  A function or transaction is expecting either a data stream or a data stream type, but not both.
  The parameters being passed to the function are incorrectly configured, leading to ambiguity in the input.
  
  Solution:
  To resolve the UCUW155 error, you can take the following steps:
  
  
  Review the Function Call: Check the function or transaction that is generating the error. Ensure that you are only passing either a data stream or a data stream type, but not both.
  
  
  Parameter Configuration: If you are using a custom program or report, review the code to ensure that the parameters are being set correctly. Remove one of the conflicting parameters.
  
  
  Documentation: Refer to the SAP documentation for the specific function or transaction you are using. This will provide insights into the expected parameters and their correct usage.
  
  
  Testing: After making the necessary adjustments, test the function or transaction again to ensure that the error is resolved.
  
  
  Consult SAP Notes: If the issue persists, check the SAP Support Portal for any relevant notes or updates that might address this specific error.
  
  
  Related Information:
  
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration.
  Community Forums: Engaging with SAP community forums can also be helpful, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and correct the cause of the UCUW155 error in your SAP environment.