Message type: E = Error
Message class:  SKWF_TRANSPORT - Transport Layer Messages 
Message number: 121
Message text: Duplicates of node &1 (GUID &2) in other transports. Edit manually.
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The SAP error message SKWF_TRANSPORT121 indicates that there are duplicate entries for a specific node in the transport request. This typically occurs when the same object (in this case, a workflow node) is included in multiple transport requests, which can lead to conflicts during the transport process.
Cause: Duplicate Objects: The same workflow node (identified by its GUID) is included in more than one transport request. Transport Request Overlap: If multiple developers are working on the same object and create separate transport requests, this can lead to duplication. Manual Changes: If changes are made manually to the workflow or its nodes, it can result in duplicates being created unintentionally.
Solution: To resolve the SKWF_TRANSPORT121 error, you can follow these steps: Identify Duplicates: Use transaction code SE01 or SE09 to check the transport requests and identify where the duplicate nodes are located. Look for the GUID mentioned in the error message to find the specific transport requests that contain the
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