How To Fix CO644 - Material no. & of sales order not same as material number entered

CO644 - Overview

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 644

• Message text: Material no. & of sales order not same as material number entered

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO644 - Material no. & of sales order not same as material number entered ?

  The SAP error message CO644 indicates that there is a mismatch between the material number associated with a sales order and the material number that has been entered in the system. This error typically occurs during the processing of production orders, sales orders, or when trying to create or modify documents that involve materials.
  
  Cause:
  
  Data Entry Error: The most common cause is a simple typographical error when entering the material number.
  Incorrect Sales Order: The sales order may have been created with a different material number than what is being referenced in the production order or other related documents.
  Material Master Data Issues: There may be inconsistencies in the material master data, such as changes in the material number or the material type.
  
  Configuration Issues: There could be configuration settings in the system that are causing the mismatch, especially if there are custom developments or enhancements in place.
  
  
  Solution:
  
  Verify Material Numbers: Check the material number