Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 262
Message text: Enter exactly one system with role 'R'
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The SAP error message CNV_CDMC_CA262 indicates that the system is expecting exactly one system to be defined with the role 'R' (which typically stands for "Reference System") in the context of a data migration or conversion process. This error usually arises during the execution of a conversion or migration project using the SAP Conversion Tools.
Cause: The error occurs when: No system is defined with the role 'R'. More than one system is defined with the role 'R'. The configuration of the systems in the migration project is incorrect.
Solution: To resolve this error, you can follow these steps: Check System Configuration: Go to the transaction code related to the migration project (often CNV_MBT or similar). Navigate to the section where systems are defined. Ensure that there is exactly one system assigned the role 'R'. Modify System Roles: If there are multiple systems with the role 'R', you need to change the roles so that only one system retains the 'R' role. If no
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