How To Fix R8150 - Cannot maintain segments for DataSource of type &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 150

• Message text: Cannot maintain segments for DataSource of type &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8150 - Cannot maintain segments for DataSource of type &1 ?

  The SAP error message R8150, "Cannot maintain segments for DataSource of type &1," typically occurs when there is an issue with the DataSource configuration in SAP BW (Business Warehouse) or when trying to maintain segments for a DataSource that does not support it.
  Cause:
  
  DataSource Type: The error message indicates that the DataSource type you are trying to maintain does not support segment maintenance. For example, certain types of DataSources (like those based on flat files or certain types of database tables) may not allow segment maintenance.
  Incorrect Configuration: The DataSource may not be properly configured or may be in a state that does not allow for segment maintenance.
  Technical Settings: The technical settings of the DataSource may not be set up correctly, leading to this error.
  
  Solution:
  
  Check DataSource Type: Verify the type of DataSource you are working with. If it is a type that does not support segments, you will need to use a different approach to manage the data.
  Review Technical Settings: Go to the DataSource in the Data Warehousing Workbench (transaction code RSA1) and check the technical settings. Ensure that the settings are appropriate for the type of DataSource you are using.
  Use Alternative Methods: If segment maintenance is not supported for the DataSource type, consider using other methods to manage the data, such as using transformations or data flows that do not require segment maintenance.
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the DataSource type you are using and its capabilities.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes or enhancements related to DataSource management.
  
  Related Information:
  
  DataSource Types: Familiarize yourself with the different types of DataSources in SAP BW, such as generic DataSources, DataSources from SAP applications, and flat file DataSources.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the specific DataSource type you are working with.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP BW expert for further assistance.