Message type: E = Error
Message class:  /SAPAPO/PDEM -  
Message number: 812
Message text: &1 entries of block &2 have been successfully deleted from database table
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/PDEM812 typically indicates that a certain number of entries (denoted by &1) from a specific block (denoted by &2) have been successfully deleted from a database table in the SAP Advanced Planning and Optimization (APO) module. This message is generally informational rather than an error, indicating that a deletion process has been completed.
Cause: Data Cleanup: The message is often triggered during a data cleanup process where obsolete or unnecessary entries are removed from the database to optimize performance or free up space. Batch Jobs: It may occur as part of a batch job that is designed to delete old or irrelevant data from the APO database. User Action: It can also be a result of user-initiated actions, such as running a transaction that involves data deletion.
Solution: Since this message is informational, there is typically no action required unless you are experiencing issues related to data integrity or unexpected data loss.
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SAPAPO/PDEM811 Selection does not return any records to save in SD Demand 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/PDEM810 Error occurs while saving datas in SD demand table from 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/PDEM813 &1 entries from block &2 can be deleted from database 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/PDEM814 Enter number of days to process data!
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.