Message type: E = Error
Message class:  CNV_INDX - Messages for conversion of INDX-like tables 
Message number: 404
Message text: Missing information about processing sequence for table &1
Information about processing sequence for table &V1& could not be
determined. This can be caused by the fact that various components of
this table have different sequential numbers assigned.
Status is set to 'Error'.
Contact SAP for support.
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_INDX404 indicates that there is missing information regarding the processing sequence for a specific table during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
Cause: The error can occur due to several reasons: Incomplete Configuration: The processing sequence for the specified table has not been defined or is incomplete in the migration settings. Missing Customization: If the table is a custom table or has been modified, the necessary processing sequence may not have been set up correctly. Data Model Changes: Changes in the data model or structure of the source or target system may lead to discrepancies in the expected processing sequence. Transport Issues: If the relevant transport requests containing the necessary configurations have not been imported into the system, this error may occur.
Solution: To resolve the CNV_INDX404 error, you can
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_INDX403 Generation of conversion programs for table &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_INDX402 Missing information about processing sequence for RELID &1
What causes this issue?  Information about processing sequence for RELID &V1& could not be determined. This can be caused by the fact that var...
CNV_INDX500 -- Reserved for conversion messages (500 - 700) --
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_INDX501 Component &3 not found (see details)
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.