Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 001
Message text: Project already exists under scenario &1; choose a different project id
You have attempted to create a project with an existing ID.
It is not possible to create two projects with the same ID.
Use a different name for the project ID.
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_CA001 indicates that you are trying to create a new project in the SAP system, but a project with the same ID already exists under the specified scenario. This is a common issue when working with the SAP Conversion and Data Migration Cockpit (CDMC) or similar tools where project IDs must be unique within a given scenario.
Cause: Duplicate Project ID: The primary cause of this error is that the project ID you are trying to use is already in use for another project within the same scenario. Incorrect Scenario Selection: You may be trying to create a project in a scenario where a project with the same ID already exists. System Configuration: There might be a configuration issue or a misunderstanding of the project management setup in your SAP environment.
Solution: Choose a Different Project ID: The simplest solution is to select a different, unique project ID that does not conflict
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