Message type: E = Error
Message class:  CNV_CMIS_G - CMIS: general messages 
Message number: 031
Message text: Error occurred while making status & process tree modifications
This activity ends with a result that is reflected by one of four status
values. Three of these should result in the current package tree being
modified in the following ways:
'N',,-,,All  UPGRADE nodes are deleted.
'C',,-,,All subsequent nodes are deleted.
'S',,- ,,The activities <ZK>Confirm Technical Upgrade</>
(CMBAS_U_10_CONFIRM_TESTUPGRADE) and <ZK>,,,,,,Process Language Entries
</> (CMBAS_U_10_IMPORT_LANGUAGES) are removed.
'U',,-,,In this case, the tree is not altered.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
The error has occurred because the function module CNV_MBT_PARAMS_WRITERetry; if the problem persists, contact your system administrator.
If you need further assistance, contact SAP for support.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_CMIS_G031 typically occurs during the execution of a conversion or migration process, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that there was an issue while attempting to modify the status or process tree, which is crucial for tracking the progress of the conversion or migration activities. Causes: Data Integrity Issues: There may be inconsistencies or corruption in the data that the conversion process is trying to access or modify. Authorization Problems: The user executing the process may not have the necessary authorizations to make changes to the status or process tree. System Configuration: Incorrect configuration settings in the CMIS or related components can lead to this error. Technical Issues: There could be underlying technical issues such as database locks, connectivity problems, or system resource limitations. Solutions: Check Authorizations: Ensure that the user has the appropriate authorizations to perform the modifications. You may need to consult with your
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