How To Fix BRAIN177 - In aggregation level &1, char. &2 must always be filled

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 177

• Message text: In aggregation level &1, char. &2 must always be filled

What causes this issue?

Aggregation level &V1& is an aggregation level defined on a
MultiProvider. In aggregation levels like this, characteristic &V2& must
always be filled.

System Response

The action has been canceled.

How to fix this error?

Make sure that characteristic &V2& is always filled.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN177 - In aggregation level &1, char. &2 must always be filled ?

  The SAP error message BRAIN177 indicates that a characteristic in an aggregation level is not filled, which is a requirement for the operation you are trying to perform. This error typically occurs in the context of SAP BW (Business Warehouse) when working with queries, aggregation levels, or InfoProviders.
  Cause:
  The error arises when you attempt to execute a query or a data operation that requires a specific characteristic to be filled, but it is not populated in the aggregation level you are using. This can happen due to:
  
  Missing Data: The characteristic in question has no values assigned in the data source.
  Incorrect Aggregation Level: The aggregation level may not be set up correctly to include the required characteristic.
  Query Design Issues: The query may be designed in a way that does not align with the data model or the aggregation level.
  
  Solution:
  To resolve the BRAIN177 error, you can take the following steps:
  
  
  Check the Aggregation Level:
  
  Go to the aggregation level definition in the SAP BW system.
  Ensure that the characteristic mentioned in the error message is included in the aggregation level.
  
  
  
  Populate the Characteristic:
  
  If the characteristic is not filled, ensure that the data source you are using has values for that characteristic.
  Load the data into the InfoProvider if necessary.
  
  
  
  Review Query Design:
  
  If you are working with a query, check the query design to ensure that it aligns with the aggregation level and that all required characteristics are included.
  Make sure that the query is not filtering out the characteristic that is causing the error.
  
  
  
  Data Source Configuration:
  
  Verify that the data source (e.g., InfoCube, DataStore Object) is correctly configured to include the necessary characteristics.
  
  
  
  Test with Sample Data:
  
  If possible, test the query or operation with a smaller dataset to see if the issue persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  Documentation: Review SAP BW documentation for best practices on setting up aggregation levels and queries.
  Transaction Codes: Familiarize yourself with transaction codes like RSA1 (Data Warehousing Workbench) and RSRT (Query Monitor) to analyze and troubleshoot the issue.
  
  By following these steps, you should be able to identify the root cause of the BRAIN177 error and implement a solution to resolve it.