Message type: E = Error
Message class:  CNV_CDMC_CC - CDMC - Messages for the Control Center 
Message number: 018
Message text: Information about the jobs for stat. collection could not be retrieved
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The SAP error message CNV_CDMC_CC018 indicates that the system was unable to retrieve information about jobs related to statistical collection. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP Conversion Tools.
Cause: The error can be caused by several factors, including: Job Not Scheduled: There may not be any jobs scheduled for statistical collection, leading to the inability to retrieve job information. Authorization Issues: The user executing the operation may not have the necessary authorizations to view job information. System Configuration: There may be issues with the configuration of the job scheduling or the statistical collection process. Technical Issues: There could be underlying technical issues, such as database connectivity problems or inconsistencies in the job management tables.
Solution: To resolve the CNV_CDMC_CC018 error, you can take the following steps: Check Job Scheduling: Go to transaction SM37 (Job Monitoring) and check if any jobs related to statistical collection are scheduled or have
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