How To Fix TN399 - -> Repeating disassembly, forced overwriting of the data file

TN399 - Overview

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 399

• Message text: -> Repeating disassembly, forced overwriting of the data file

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TN399 - -> Repeating disassembly, forced overwriting of the data file ?

  The SAP error message TN399, which states "Repeating disassembly, forced overwriting of the data file," typically occurs in the context of the SAP Transportation Management (TM) or SAP Advanced Planning and Optimization (APO) modules. This error is related to the disassembly process of transportation units or handling units, where the system is attempting to disassemble a transportation unit but encounters issues with the data file.
  
  Cause:
  
  Data Integrity Issues: The error may arise due to inconsistencies or corruption in the data files that are being used for disassembly.
  Configuration Problems: Incorrect configuration settings in the transportation management or planning system can lead to this error.
  Concurrency Issues: If multiple processes are trying to access or modify the same data file simultaneously, it can lead to conflicts and this error.
  System Bugs: There may be bugs or issues in the version of SAP you are using that could lead to this error.
  
  
  Solution:
  
  Check Data Integrity: Ensure that