How To Fix /SAPAPO/MA618 - Negative proportions not possible

/SAPAPO/MA618 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 618

• Message text: Negative proportions not possible

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA618 - Negative proportions not possible ?

  The SAP error message /SAPAPO/MA618 Negative proportions not possible typically occurs in the context of Advanced Planning and Optimization (APO) when dealing with planning data, particularly in the context of demand planning or supply network planning. This error indicates that there is an attempt to set negative proportions in a planning scenario, which is not allowed.
  
  Cause:
  
  Negative Proportions: The error arises when the system encounters a situation where the proportion of a certain element (like a product or resource) is calculated to be negative. This can happen due to incorrect configuration or data input.
  Data Inconsistencies: There may be inconsistencies in the master data or planning data, such as incorrect settings in the planning book or data that does not align with the expected input.
  Incorrect Planning Parameters: The planning parameters or settings may not be correctly defined, leading to calculations that result in negative values.
  
  
  Solution:
  
  Check Master Data: Review the master data for