Message type: E = Error
Message class:  CNV20308 - SLO CWB Package Comparison 
Message number: 112
Message text: Maintain table CNVSUBSTPARS
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20308112, which indicates that you need to maintain the table CNVSUBSTPARS, is typically related to the SAP Conversion or Migration process. This error often arises during data migration activities, particularly when using SAP's tools for data conversion or when working with the SAP S/4HANA Migration Cockpit.
Cause: The error occurs when the system expects certain entries in the CNVSUBSTPARS table, which is used to store parameters for the conversion process. If the required entries are missing or not properly maintained, the system cannot proceed with the conversion or migration tasks.
Solution: To resolve this error, you need to maintain the CNVSUBSTPARS table. Here are the steps you can follow: Access the Table: Use transaction code SE16 or SE16N to access the CNVSUBSTPARS table. Check Existing Entries: Review the existing entries in the table to see if the necessary parameters for your conversion or migration process are present. Maintain the Table: If you find that certain entries
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CNV20308111 Maintain table CNVSUBSTEPS
 Generated Include to Extension - HAUSTEIN - 21.01.2009 INCLUDE CNV20308_111 OBJECT DOKU ID TX LANGUAGE E  ENDIFError message extract from SAP system....
CNV20308110 Maintain table CNVSTPARS
 Generated Include to Extension - HAUSTEIN - 21.01.2009 INCLUDE CNV20308_110 OBJECT DOKU ID TX LANGUAGE E  ENDIFError message extract from SAP system....
CNV20308113 Maintain table CNVTABLES
 Generated Include to Extension - HAUSTEIN - 21.01.2009 INCLUDE CNV20308_113 OBJECT DOKU ID TX LANGUAGE E  ENDIFError message extract from SAP system....
CNV20308114 Maintain table CNV_10020_DTFLD
 Generated Include to Extension - HAUSTEIN - 21.01.2009 INCLUDE CNV20308_114 OBJECT DOKU ID TX LANGUAGE E  ENDIFError message extract from SAP system....
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