How To Fix /SAPAPO/OM_ERROR284 - A negative storage amount was given for a storage node

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 284

• Message text: A negative storage amount was given for a storage node

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR284 - A negative storage amount was given for a storage node ?

  The SAP error message /SAPAPO/OM_ERROR284 indicates that a negative storage amount has been provided for a storage node in the Advanced Planning and Optimization (APO) module. This error typically arises in scenarios involving capacity planning, where the system expects a positive value for storage capacity but receives a negative value instead.
  Cause:
  
  Data Entry Error: A user may have inadvertently entered a negative value for storage capacity in the relevant master data (e.g., storage location, storage node).
  Master Data Configuration: The configuration of the storage node or related master data may be incorrect, leading to negative values being processed.
  Integration Issues: If data is being transferred from another system (like an ERP system), there may be issues in the data transfer process that result in negative values.
  Calculation Errors: If there are calculations or formulas that derive storage amounts, they may be incorrectly set up, leading to negative results.
  
  Solution:
  
  
  Check Master Data: Review the master data for the storage node in question. Ensure that all relevant fields, especially those related to storage capacity, are correctly populated with positive values.
  
  Transaction codes like /SAPAPO/SDP94 (for storage location) can be used to check and maintain master data.
  
  
  
  Review Data Entry: If the error was caused by manual data entry, correct the negative value to a valid positive value.
  
  
  Check Integration Settings: If the data is coming from another system, verify the integration settings and data transfer processes to ensure that they are correctly configured and that no negative values are being sent.
  
  
  Analyze Calculation Logic: If the storage amount is derived from calculations, review the logic to ensure that it does not produce negative values under any circumstances.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines related to the storage node configuration and capacity planning.
  
  
  Testing: After making corrections, test the changes in a development or quality assurance environment before applying them to the production system.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing APO master data and capacity planning.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support for further assistance.