Message type: E = Error
Message class:  RSO_CTC - Message class for CTC related messages 
Message number: 115
Message text: Step is not required as this is a Non-BW system
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The SAP error message RSO_CTC115 indicates that a certain step in a process is not required because the system in question is a Non-BW (Business Warehouse) system. This error typically arises in the context of data extraction or reporting processes where a BW-specific step is being attempted in a system that does not support BW functionalities.
Cause: Non-BW System: The primary cause of this error is that the system you are working with is not a BW system. BW systems have specific functionalities and processes that are not applicable in Non-BW systems. Incorrect Configuration: There may be a configuration or setup issue where a BW-specific process is being invoked in a Non-BW environment. Data Source Misconfiguration: If a data source or extraction process is incorrectly set up to reference BW-specific components, it can lead to this error.
Solution: Review Process Steps: Check the process or data flow you are trying to execute. Ensure that it does
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