Message type: E = Error
Message class:  CNV_PE_S4_AFS - Messages for Posting Engine AFS to S/4 Content 
Message number: 024
Message text: Mandatory parameter BOM Usage is missing
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_PE_S4_AFS024 indicates that a mandatory parameter, specifically the "BOM Usage," is missing in the context of a conversion or migration process, likely related to the SAP S/4HANA system. This error typically arises during data migration or when working with Bill of Materials (BOM) in the SAP system.
Cause: Missing BOM Usage: The error suggests that the system requires a BOM usage parameter that has not been provided. BOM usage defines the context in which a BOM is used (e.g., production, engineering, etc.).
Configuration Issues: There may be configuration issues in the migration settings or in the source data that do not specify the BOM usage. Data Inconsistencies: The source data might be incomplete or incorrectly formatted, leading to the absence of the required parameter.
Solution: Check BOM Configuration: Ensure that the BOM usage is correctly defined in the system. You can do this by navigating to the BOM configuration settings in SAP
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE_S4_AFS023 Mandatory parameter material number is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_S4_AFS022 Error converting date to external format
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_S4_AFS025 No credit segment assigned to credit control area &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_PE_S4_AFS026 No currency found for credit control area &1
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.