How To Fix BE086 - Reservation amount must not be less than the amount reduced

SAP Error Message - Details

• Message type: E = Error

• Message class: BE - General document entry

• Message number: 086

• Message text: Reservation amount must not be less than the amount reduced

What causes this issue?

When changing a reservation item, you have entered an amount which is
less than the amount already reduced:
Reservation amount,,&V1&
Amount reduced,,&V2&

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE D

How to fix this error?

INCLUDE NA_ALLG_KORREINGABE OBJECT DOKU ID TX LANGUAGE D

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BE086 - Reservation amount must not be less than the amount reduced ?

  The SAP error message BE086, which states "Reservation amount must not be less than the amount reduced," typically occurs in the context of inventory management and reservation processes. This error indicates that there is an inconsistency between the reservation amount and the amount that is being reduced or adjusted.
  Cause:
  
  
  Reservation Amount Mismatch: The amount you are trying to reduce from a reservation is greater than the current reservation amount. This can happen if:
  
  The reservation was already partially fulfilled or reduced.
  There was an error in data entry when creating or modifying the reservation.
  
  
  
  Incorrect Document Flow: If there are related documents (like goods movements or deliveries) that have already been processed, they may affect the available quantity for the reservation.
  
  
  System Configuration Issues: Sometimes, configuration settings in SAP related to inventory management or reservations may lead to unexpected behavior.
  
  
  Solution:
  
  
  Check Reservation Details: 
  
  Go to the transaction code for reservations (e.g., MB22 for changing reservations) and verify the current reservation amount.
  Ensure that the amount you are trying to reduce does not exceed the current reservation amount.
  
  
  
  Adjust the Reduction Amount: 
  
  If you find that the amount you are trying to reduce is indeed greater than the reservation amount, adjust it to a valid value that is less than or equal to the current reservation amount.
  
  
  
  Review Related Documents: 
  
  Check for any related documents that may have impacted the reservation. This includes checking for any goods issues, transfers, or other movements that may have reduced the available quantity.
  
  
  
  Consult with Your SAP Administrator: 
  
  If the issue persists, it may be beneficial to consult with your SAP administrator or support team. They can help investigate any configuration issues or system errors that may be causing the problem.
  
  
  
  Transaction Logs: 
  
  Review transaction logs or change documents to see if there were any recent changes made to the reservation that could have led to this error.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MB22: Change Reservation
  MB23: Display Reservation
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  
  
  Documentation: Review SAP documentation on inventory management and reservations to understand the processes and configurations better.
  
  
  By following these steps, you should be able to identify the cause of the BE086 error and implement a solution to resolve it.