Message type: E = Error
Message class:  /SAPAPO/PDEM -  
Message number: 837
Message text: Start of Raw Demand data 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 /SAPAPO/PDEM837 typically relates to issues encountered during the deletion of raw demand data in the SAP Advanced Planning and Optimization (APO) module. This error can occur for various reasons, and understanding the cause and potential solutions is essential for resolving the issue. Cause The error message /SAPAPO/PDEM837 indicates that there is a problem with the deletion process of raw demand data. Common causes include: Data Locking: The data you are trying to delete may be locked by another process or user. Data Integrity Issues: There may be inconsistencies or integrity issues in the demand data that prevent deletion. Authorization Issues: The user may not have the necessary authorizations to perform the deletion. Technical Errors: There could be technical issues in the system, such as database constraints or configuration problems. Solution To resolve the error, you can take the following steps: Check for Locks: Use transaction code SM12 to check for any locks on the demand data.
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SAPAPO/PDEM836 Selection does not return any records to delete from Stock transfer table
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PDEM835 Error while deleting datas from Stocktransfer Demand table in block &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PDEM838 End of Raw Demand data deletion
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PDEM839 Error while deleting datas from Raw Demand table in block &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.