Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 270
Message text: Destination to the Reference system is not valid (See long text)
In the project landscape you have entered a system with role 'R'
(Reference System). However you shouldnot specify an RFC destination
for reference system when you are using the knowledge base scenario.
When you are using the knowledge base scenario for a UCIA project the
RFC destination to the Reference System should be kept as blank.
The error can be resolved in the following way:
,,Delete the already entered RFC destination for the role 'R' and keep
it as blank.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_CDMC_CA270, which states "Destination to the Reference system is not valid (See long text)," typically occurs in the context of data migration or conversion processes, particularly when using the SAP Conversion Tools or SAP Landscape Management.
Cause: This error usually indicates that the system is unable to find or connect to the specified reference system. The reasons for this could include: Incorrect Configuration: The destination system may not be correctly configured in the SAP system landscape. Missing RFC Destination: The Remote Function Call (RFC) destination to the reference system may not be defined or may be incorrectly set up. Network Issues: There may be network connectivity issues preventing the SAP system from reaching the reference system. Authorization Issues: The user may not have the necessary authorizations to access the reference system. System Downtime: The reference system may be down or not available at the moment.
Solution: To resolve the CNV_CDMC_CA270 error, you can follow these
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