How To Fix CN345 - A negative planned independent requirement is not permitted. Check entry

CN345 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 345

• Message text: A negative planned independent requirement is not permitted. Check entry

Self-Explanatory Message

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.

What else can you do?

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.

CN345 - Details

• The SAP error message CN345, which states "A negative planned independent requirement is not permitted. Check entry," typically occurs in the context of production planning and control when dealing with planned independent requirements (PIRs) in SAP.
  
  Cause:
  The error arises when a user attempts to enter a planned independent requirement with a negative quantity. In SAP, planned independent requirements are used to forecast demand for materials, and negative values do not make sense in this context, as they would imply a negative demand, which is not allowed.
  
  Solution:
  To resolve this error, you should:
  
  
  Check the Entry: Review the entry you are trying to make. Ensure that the quantity for the planned independent requirement is zero or a positive number. If you have mistakenly entered a negative value, correct it.
  
  
  Review the Planning Strategy: If you are using a specific planning strategy that might lead to negative requirements, ensure that the strategy is appropriate for your