Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 052
Message text: System failure has occurred while performing mass comparison
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message CNV_CDMC_CA052 indicates that a system failure occurred during a mass comparison process, typically related to data migration or conversion activities in SAP systems. This error is often encountered in the context of the SAP Conversion and Data Migration Cockpit (CDMC) or during the execution of data migration projects. Causes: System Resource Issues: Insufficient memory or CPU resources can lead to system failures during intensive operations like mass comparisons. Data Quality Issues: Inconsistent or corrupt data in the source or target systems can cause the comparison process to fail. Configuration Errors: Incorrect settings in the migration cockpit or related configuration can lead to unexpected behavior. Software Bugs: There may be bugs in the version of the SAP software being used, particularly if it is not up to date. Locking Issues: If the data being compared is locked by another process, it can lead to failures. Solutions: Check System Resources: Monitor the system's memory and CPU
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CDMC_CA051 Resource failure found while performing mass comparison
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_CA050 Error while updating CNVCDMCCA_OBJS in &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_CA053 Communication failure has occurred while performing mass comparison
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_CA054 Unable to perform mass comparison
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.