Message type: E = Error
Message class:  CNV_PE_GEN - Messages for object generation 
Message number: 004
Message text: Suffix determination for new object name failed
Trying to determine a new number from number range <ZH>&V1&</> and
interval <ZH>&V2&</> ended with errors.
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_PE_GEN004 indicates that there was a failure in determining the suffix for a new object name during a conversion or migration process. This error typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: The error can be caused by several factors, including: Naming Conflicts: The system may be trying to create an object with a name that already exists, leading to a conflict in suffix determination.
Configuration Issues: There may be issues in the configuration settings related to object naming conventions or suffix rules. Missing or Incorrect Parameters: Required parameters for suffix determination may be missing or incorrectly set in the migration configuration. System Limitations: The system may have limitations or restrictions on naming conventions that are not being adhered to.
Solution: To resolve the CNV_PE_GEN004 error, you can take the following steps: Check Existing Objects: Verify if there are existing objects
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE_GEN003 Mandatory information of number range for name determination is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_GEN002 Failed to update generation status of object &1 to value &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_GEN005 An error occurred while trying to update number range &1
What causes this issue?  Function &V2& ended with errors.System Response  The system issues an error message and will not allow you to continu...
CNV_PE_GEN006 Generation of DDIC object not possible; mandatory info missing
What causes this issue?  While checking the information to generate object &V1& (&V2&), it was determined that some mandatory informat...
Click on this link to search all SAP messages.