Message type: E = Error
Message class:  RSO_RES_ADSO - Datastore Object 
Message number: 034
Message text: DataStore object '&1' needs to be activated; 'M' version exists
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The SAP error message RSO_RES_ADSO034 indicates that a DataStore Object (DSO) in SAP BW/4HANA or SAP BW on HANA needs to be activated because there is a 'M' (modified) version of the DSO that exists. This typically occurs when changes have been made to the DSO structure or settings, and those changes have not yet been activated.
Cause: Unactivated Changes: The DSO has been modified (e.g., fields added, removed, or changed) but the changes have not been activated. Transport Issues: If the DSO was transported from one system to another, it may require activation in the target system. Development Environment: If you are working in a development environment, changes made to the DSO need to be activated before they can be used in reporting or data loading.
Solution: To resolve this error, you need to activate the DataStore Object. Here are the steps to do this: Open the DataStore Object: Go to the SAP BW Modeling Tools or
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