Message type: E = Error
Message class:  CNV_20340 - Messages for cycle conversion 
Message number: 011
Message text: Cycle mapping (operating concern) not set to "visible"
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The SAP error message CNV_20340011 indicates that there is an issue with the cycle mapping for an operating concern in the context of data migration or conversion processes, particularly when using the SAP Conversion Tools or during the migration of data from legacy systems to SAP S/4HANA.
Cause: The error occurs when the cycle mapping for a specific operating concern is not set to "visible." This typically means that the configuration for the operating concern in the system is incomplete or not properly defined. The cycle mapping is essential for the system to understand how to handle the data related to that operating concern during the migration process.
Solution: To resolve this error, you can follow these steps: Check Operating Concern Configuration: Go to the SAP system and check the configuration of the operating concern in the controlling (CO) module. Use transaction code OKKP to access the controlling area settings and verify the operating concern settings. Set Cycle
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