How To Fix MD309 - Program error: internal table & is inconsistent

MD309 - Overview

• Message type: E = Error

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

• Message number: 309

• Message text: Program error: internal table & is inconsistent

What causes this issue?

An error has occurred in the program.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please take note of the exact procedure and contact the SAP Hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD309 - Program error: internal table & is inconsistent ?

  The SAP error message MD309, which states "Program error: internal table & is inconsistent," typically indicates that there is an issue with the internal data structures used by the SAP system during the execution of a program or transaction. This error can occur in various contexts, often related to Material Requirements Planning (MRP) or other related modules.
  Causes:
  
  Data Corruption: The internal table may have become corrupted due to a previous error or inconsistency in the data.
  Custom Code: If there are custom enhancements or modifications in the program, they may not be handling data correctly, leading to inconsistencies.
  System Bugs: There may be a bug in the SAP program or transaction that is causing the internal table to be populated incorrectly.
  
  Configuration Issues: Incorrect configuration settings in the MRP or related modules can lead to unexpected behavior and errors.
  Concurrency Issues: If multiple users or processes are trying to access or modify the same data