Message type: E = Error
Message class:  CNV20308 - SLO CWB Package Comparison 
Message number: 103
Message text: Maintain table CNVCONTROL
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20308103, which indicates that you need to maintain the table CNVCONTROL, typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or the SAP S/4HANA Migration Cockpit.
Cause: The error occurs when the system cannot find the necessary entries in the CNVCONTROL table that are required for the conversion or migration process. This table is crucial as it holds control information for the data migration process, including settings, parameters, and status of the migration.
Solution: To resolve this error, you need to maintain the CNVCONTROL table. Here are the steps you can follow: Access the CNVCONTROL Table: Use transaction code SE11 (Data Dictionary) or SE16 (Data Browser) to access the CNVCONTROL table. Check Existing Entries: Look for existing entries in the CNVCONTROL table. If there are no entries or if the entries are incomplete, you will need to add or modify them. Maintain the Table: If you need to add a new
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20308102 Maintain table CNVCONDITIONS
 Generated Include to Extension - HAUSTEIN - 20.01.2009 INCLUDE CNV20308_102 OBJECT DOKU ID TX LANGUAGE E  Generated Include to Extension - HAUSTEIN -...
CNV20308101 Maintain table CNVFIPARS
 Generated Include to Extension - HAUSTEIN - 20.01.2009 INCLUDE CNV20308_101 OBJECT DOKU ID TX LANGUAGE E  Generated Include to Extension - HAUSTEIN -...
CNV20308104 Maintain table CNVDOMS
 Generated Include to Extension - HAUSTEIN - 21.01.2009 INCLUDE CNV20308_104 OBJECT DOKU ID TX LANGUAGE E  Generated Include to Extension - HAUSTEIN -...
CNV20308105 Maintain table CNVDOPARS
 Generated Include to Extension - HAUSTEIN - 20.01.2009 INCLUDE CNV20308_105 OBJECT DOKU ID TX LANGUAGE E  ENDIFError message extract from SAP system....
Click on this link to search all SAP messages.