How To Fix R8449 - DataSource &3: Field &1 of extr struct &2 is not in the provider struct.

R8449 - Overview

• Message type: E = Error

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

• Message number: 449

• Message text: DataSource &3: Field &1 of extr struct &2 is not in the provider struct.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8449 - DataSource &3: Field &1 of extr struct &2 is not in the provider struct. ?

  The SAP error message R8449 indicates that there is a mismatch between the fields in the DataSource and the fields in the InfoProvider (such as an InfoCube or DataStore Object). Specifically, it states that a field in the extraction structure of the DataSource is not present in the structure of the InfoProvider.
  
  Cause:
  
  Field Mismatch: The field mentioned in the error message (&1) exists in the extraction structure of the DataSource (&2), but it is not defined in the structure of the target InfoProvider (&3).
  Changes in DataSource: If the DataSource has been modified (e.g., fields added or removed) after the InfoProvider was created, this can lead to discrepancies.
  Incorrect Mapping: The mapping between the DataSource and the InfoProvider may not have been updated to reflect changes in the DataSource.
  
  
  Solution:
  
  Check DataSource Structure: Go to the DataSource in the SAP BW system and verify the fields defined in the extraction structure. Ensure that the field