How To Fix RSM1304 - No unassigned DataSources found in source system &1.

RSM1304 - Overview

• Message type: E = Error

• Message class: RSM1 - Messages for AWB, Scheduler and Monitor (new)

• Message number: 304

• Message text: No unassigned DataSources found in source system &1.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM1304 - No unassigned DataSources found in source system &1. ?

  The SAP error message RSM1304: No unassigned DataSources found in source system &1 typically occurs when you are trying to replicate or load data from a source system into SAP BW (Business Warehouse) and the system cannot find any DataSources that are unassigned or available for use in the specified source system.
  
  Cause:
  
  No Unassigned DataSources: The primary cause of this error is that there are no DataSources in the specified source system that are not already assigned to a DataSource in BW.
  Incorrect Source System Configuration: The source system may not be properly configured or connected to the BW system.
  DataSource Activation: The DataSources may not be activated or may have been deleted or deactivated in the source system.
  Authorization Issues: The user may not have the necessary authorizations to view or access the DataSources in the source system.
  
  
  Solution:
  
  
  Check DataSource Assignment:
  
  Go to the DataSource maintenance transaction (e.g., RSA1 in BW).
  Check if there are any