Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 237
Message text: Table &1 with new sequence number &2 (must run after INOB)
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message CNV20551237 indicates that there is an issue related to the sequence number of a 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 conversion tools.
Cause: The error message suggests that the table in question (denoted as &1) has a new sequence number (&2) that must be processed after the INOB (which usually refers to a specific step or process in the migration). This indicates that the sequence of operations is not being followed correctly, and the system is expecting certain operations to be completed before processing the current table.
Solution: To resolve this error, you can follow these steps: Check Migration Sequence: Ensure that the migration steps are being executed in the correct order. The INOB step must be completed before processing the table that is causing the error. Review Documentation:
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20551236 Table &1 is deleted via cluster &2; exclude indic. at table level is set
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20551235 Cluster &1 is not defined; ; exclude indic. at table level initialized
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20551238 For table=&2: Deletion logic via &3 &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20551239 In CNVSTATE for Pack.=&1, phase=&2, program=&3: Precursor=&4 set
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.