How To Fix R8444 - The extract structure &1 of the DataSource &2 is invalid

R8444 - Overview

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 444

• Message text: The extract structure &1 of the DataSource &2 is invalid

What causes this issue?

An invalid extract structure has been assigned to the DataSource. An
extract structure has to be active in the DDIC. It cannot be a view,
since the customer is not able to add append fields for filling in the
customer exits to a view.

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

System Response

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8444 - The extract structure &1 of the DataSource &2 is invalid ?

  The SAP error message R8444 indicates that there is an issue with the extract structure of a DataSource in SAP. This error typically arises when the DataSource is not properly configured or when there are inconsistencies in the data model.
  
  Cause:
  
  Invalid Extract Structure: The extract structure defined for the DataSource is either missing or has been modified in a way that makes it invalid.
  DataSource 
  Configuration Issues: The DataSource may not be correctly configured in the SAP system, leading to discrepancies between the DataSource and the underlying data model.
  Changes in Underlying Tables: If the underlying tables or fields that the DataSource is based on have been changed (e.g., fields added, removed, or renamed), this can lead to the extract structure becoming invalid.
  Transport Issues: If the DataSource was transported from one system to another, there may have been issues during the transport process that caused the extract structure to become invalid.
  
  
  Solution:
  
  Check Extract Structure: