How To Fix MD423 - &1: &2 (U5)

MD423 - Overview

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 423

• Message text: &1: &2 (U5)

What causes this issue?

The planned available stock is greater than the maximum stock as
specified by the range of coverage profile.

System Response

This exception is displayed in the MRP list if a dynamic safety stock
is calculated using a range of coverage profile.

How to fix this error?

Check whether this additional stock is necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD423 - &1: &2 (U5) ?

  The SAP error message MD423 typically indicates an issue related to the availability of materials in the context of production planning and control. The message format you provided suggests that it is a warning or error related to the availability check for a specific material or component in a production order or planning scenario.
  
  Cause:
  The error message MD423 usually arises due to one of the following reasons:
  
  Insufficient Stock: The system cannot find enough stock of the required material to fulfill the demand.
  Incorrect Planning Parameters: The planning parameters for the material may not be set correctly, leading to incorrect availability checks.
  Lead Time Issues: The lead times for procurement or production may not be sufficient to meet the demand.
  Incorrect Master Data: Issues with the material master data, such as incorrect MRP type, lot size, or safety stock settings.
  Open Purchase Orders or Production Orders: There may be open orders that are consuming the available