Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 430
Message text: Serious error: CNV_20551_OBJ is empty; contact SAP for support
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 CNV20551430 indicates a serious issue related to the data conversion process, specifically that the object CNV_20551_OBJ is empty. This error typically arises during data migration or conversion activities, often in the context of SAP's data migration tools or during system upgrades.
Cause: Empty Object: The error suggests that the object CNV_20551_OBJ, which is expected to contain data or configuration settings, is empty. This could be due to: Incomplete data extraction or loading processes. Misconfiguration in the migration settings. Issues with the source data that prevent it from being properly processed. Missing or corrupted data in the source system. Technical Issues: There may be underlying technical issues, such as: Database connectivity problems. Incomplete or failed previous migration steps. Bugs in the migration tool or program.
Solution: Check Data Source: Verify that the source data is complete and correctly formatted. Ensure that all necessary data has been extracted and is available for the migration process. Review Migration Settings: Check the configuration
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20551429 Automatically suggested deletion option: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20551428 Table & does not contain any fields with a suitable domain
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20551431 Inconsistency between CNVDOMS and CNV_20551_OBJ (domain &1, data el. &2)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20551432 Job & was scheduled in background
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.