How To Fix RSSM_TT026 - Error in DTP &1; update mode cannot be determined

RSSM_TT026 - Overview

• Message type: E = Error

• Message class: RSSM_TT - Transfer Tool

• Message number: 026

• Message text: Error in DTP &1; update mode cannot be determined

What causes this issue?

The update mode of data transfer process &V1& cannot be determined.

System Response

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

How to fix this error?

Check and reactivate the data transfer process &V1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

RSSM_TT026 - Details

• The SAP error message RSSM_TT026, which states "Error in DTP &1; update mode cannot be determined," typically occurs in the context of Data Transfer Processes (DTP) in SAP BW (Business Warehouse). This error indicates that the system is unable to determine the update mode for the specified DTP, which can hinder data loading processes.
  Causes:
  
  Missing or Incorrect DTP Configuration: The DTP may not be properly configured, leading to ambiguity in determining the update mode.
  Inconsistent Source or Target InfoObjects: If there are inconsistencies in the source or target InfoObjects, the system may not be able to ascertain how to handle the data transfer.
  DataSource Issues: Problems with the underlying DataSource can also lead to this error, especially if the DataSource is not correctly set up or activated.
  Transformation Issues: If there are issues with the transformation rules associated with the DTP, it may prevent the system from determining the update mode.
  Versioning Issues: If there