Message type: E = Error
Message class:  /SAPAPO/MRP_LIVE -  
Message number: 001
Message text: &1 Pegid is not Maintained for Active Version
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/MRP_LIVE001 &1 Pegid is not Maintained for Active Version typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with the Master Data for planning.
Cause: This error indicates that the pegging ID (Pegid) specified in the error message is not maintained for the active version of the planning data. Pegging is a process that links demand and supply in the planning process, and if the pegging information is missing or not properly set up for the active version, the system cannot perform the necessary calculations or planning activities.
Solution: To resolve this error, you can follow these steps: Check Pegging Information: Go to the relevant transaction in SAP APO (e.g., /SAPAPO/MDP for Master Data Planning). Verify if the pegging ID (Pegid) mentioned in the error message is maintained in the system for the active version. Maintain Pegging Data: If the Pegid is not maintained, you will need to create
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SAPAPO/MRPA101 Error in SAP enhancement APOCF012
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/MRPA100 *** Integration error when distributing PPM data ***
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/MSDP_AGG000 &1 location product groups have been successfully aggregated
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/MSDP_AGG001 Selection profile &1 could not be found
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.