Message type: E = Error
Message class:  UJA_JOB - Texts for messages in jobs 
Message number: 026
Message text: Start of model copy
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.
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The SAP error message UJA_JOB026, which states "Start of model copy," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with the process of copying a model or data model. This error can arise due to various reasons, and understanding the cause is essential for finding a solution. Possible Causes: Insufficient Authorizations: The user executing the model copy may not have the necessary authorizations to perform the operation.
Configuration Issues: There may be misconfigurations in the source or target models that prevent the copy from being executed. Data Integrity Issues: If there are inconsistencies or issues with the data in the source model, it may lead to errors during the copy process. System Performance: If the system is under heavy load or if there are resource constraints, the model copy process may fail to start. Technical Errors: There could be underlying technical issues, such as missing transport
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