Message type: E = Error
Message class:  ICA02 - ICA Matching Engine Message Class 
Message number: 115
Message text: Method & is not master data. Changes only allowed in source system.
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The SAP error message ICA02115 indicates that the method you are trying to use is not recognized as master data in the context of the operation you are attempting to perform. This error typically arises in scenarios involving Integrated Business Planning (IBP) or other SAP applications where master data management is crucial.
Cause: Non-Master Data: The method you are trying to modify or access is not defined as master data in the system. This could be due to incorrect configuration or an attempt to change data that is not allowed in the current context. Source System Restrictions: Changes to certain types of data are restricted to the source system, meaning that the data must be modified in the original system where it was created or maintained. Data Synchronization Issues: There may be synchronization issues between the source system and the SAP system you are working with, leading to discrepancies in data recognition.
Solution: Verify Data Type:
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