M8783 - Moving average price for material would be negative: & & & &

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 783

• Message text: Moving average price for material would be negative: & & & &

What causes this issue?

This item would create a stock value posting which would result in a
negative moving average price for the material.
INCLUDE MM_IV_MELDUNGEN OBJECT DOKU ID TX

System Response

The system does not allow a negative moving average price.

How to fix this error?

Check your entry in the field "Amount" and correct it if necessary.
If your entry is correct, check the following for the material
the stock value
(Environment -> Master data info -> Display material)
the posting history
(Environment -> Line items -> For material).
It might be necessary to cancel past postings (for example, incorrectly
valuated goods receipts or incorrect price changes), before you can
carry out your posting.
If you wish to carry out a <ZH>price change</>, the total stock of the
material may be negative. A price cannot be changed if the stock is
negative.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8783 - Moving average price for material would be negative: & & & & ?

  The SAP error message M8783 indicates that the moving average price (MAP) for a material is being calculated to be negative, which is not allowed in SAP. This typically occurs during inventory valuation or when processing goods movements, such as goods receipts or invoice receipts.
  Causes:
  
  Negative Stock Movement: If there are more goods issued than received, it can lead to a situation where the moving average price becomes negative.
  Incorrect Pricing: If the prices of goods received are lower than the existing moving average price, it can lead to a negative average price when calculating.
  Manual Adjustments: Manual entries or adjustments in inventory or pricing that do not align with the actual stock levels can cause this issue.
  Data Entry Errors: Mistakes in entering quantities or prices during goods movements can lead to inconsistencies in the moving average price calculation.
  
  Solutions:
  
  Check Stock Levels: Verify the stock levels for the material in question. Ensure that there are no negative stock levels or discrepancies in the inventory.
  Review Goods Movements: Analyze recent goods movements (goods receipts, goods issues) to identify any transactions that may have caused the negative price calculation.
  Adjust Pricing: If the issue is due to pricing, consider adjusting the prices of the goods received to ensure they are not lower than the existing moving average price.
  Recalculate Moving Average Price: You can manually adjust the moving average price using transaction codes like MR21 (Change Material Price) to set a valid price.
  Consult with Finance: If the issue persists, consult with your finance or accounting team to ensure that all pricing and valuation methods are correctly configured.
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 - Display Material
  MM02 - Change Material
  MB51 - Material Document List
  MR21 - Change Material Price
  
  
  Material Master Data: Ensure that the material master data is correctly maintained, including valuation class and price control indicators (moving average vs. standard price).
  Inventory Valuation: Understand how inventory valuation is set up in your organization, as this can affect how prices are calculated and reported.
  
  If the problem continues after checking these areas, it may be necessary to involve your SAP support team or a consultant for further investigation.