Message type: E = Error
Message class:  RSO_SEGR - Messages for TLOGO = SEGR  (Semantic Group of ADSOs) 
Message number: 233
Message text: aDSO '&1' belongs already to group
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The SAP error message RSO_SEGR233 indicates that the Advanced DataStore Object (aDSO) you are trying to assign to a particular group is already part of that group. This typically occurs in the context of managing data models in SAP BW/4HANA or SAP BW on HANA.
Cause: The error arises when you attempt to add an aDSO to a group (like a CompositeProvider or a Query) where it is already included. This can happen due to: Duplicate assignments in the configuration. An attempt to reassign an aDSO to a group without removing it from the previous group first.
Solution: To resolve this error, you can follow these steps: Check Group Membership: Verify if the aDSO is already part of the group you are trying to assign it to. You can do this by checking the configuration of the group in the SAP BW modeling tools. Remove from Existing Group: If the aDSO is indeed part of another group, you will need
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