Message type: E = Error
Message class:  CNV_IUUC_MULTI_LOG - multi logtab use 
Message number: 006
Message text: Sender is not upgraded
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The SAP error message CNV_IUUC_MULTI_LOG006 indicates that there is an issue related to the upgrade status of the sender system in the context of the SAP Landscape Transformation (SLT) replication process. This error typically arises when the sender system (the source system from which data is being replicated) is not on the required version or has not been properly upgraded to be compatible with the SLT configuration.
Cause: Version Mismatch: The sender system may be running an older version of SAP that is not compatible with the SLT version you are using. Incomplete Upgrade: The sender system may have undergone an upgrade process that was not completed successfully, leaving it in a state that is not recognized by the SLT.
Configuration Issues: There may be configuration settings in the SLT or the sender system that are not aligned, leading to this error.
Solution: Check Version Compatibility: Verify that the sender system is on a version that
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