Message type: E = Error
Message class:  CNV_LTHCM_D_10 - LT HCM: Message Class for Data Deletion 
Message number: 046
Message text: &1 HCM basis tables are excluded from deletion
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 CNV_LTHCM_D_10046 indicates that certain HCM (Human Capital Management) basis tables are excluded from deletion during a data migration or conversion process. This error typically arises in the context of data migration projects, especially when using SAP's Landscape Transformation (LT) tools or during the conversion to S/4HANA.
Cause: The error message suggests that specific HCM basis tables are marked as excluded from deletion due to one of the following reasons: Data Integrity: The tables may contain critical data that is necessary for the integrity of the HCM module or related processes. Configuration Settings: The configuration settings in the migration tool may have been set to exclude certain tables from deletion to prevent loss of important data. Dependencies: Other processes or applications may depend on the data in these tables, making it risky to delete them.
Solution: To resolve this error, consider the following steps: Review Exclusion Settings: Check the configuration settings in the migration tool
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_LTHCM_D_10045 HCM deletion package &1 is basis for this HCM deletion
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_LTHCM_D_10044 HCM mini-master tables will be deleted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_LTHCM_D_10047 HCM basis tables are also considered for deletion
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_LTHCM_D_10050 Content of table &1 copied from execution system into control system
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.