How To Fix RD018 - Data source needs to be the line item (field &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: RD - CO-PA Connection to SAP BW

• Message number: 018

• Message text: Data source needs to be the line item (field &1)

Self-Explanatory Message

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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 RD018 - Data source needs to be the line item (field &1) ?

  The SAP error message RD018 indicates that a data source is expected to be a line item data source, but the one being used does not meet this requirement. This error typically arises in the context of SAP BW (Business Warehouse) or when working with data extraction processes.
  Cause:
  The error occurs when:
  
  A data source that is not a line item data source is being used in a context that requires one. Line item data sources are those that provide detailed, transaction-level data, as opposed to aggregated or summarized data.
  The data source configuration may not be set up correctly, or the wrong data source is being selected for a specific operation.
  
  Solution:
  To resolve the RD018 error, you can take the following steps:
  
  
  Check Data Source Type:
  
  Verify that the data source you are using is indeed a line item data source. You can do this by checking the data source settings in the SAP BW system.
  
  
  
  Use the Correct Data Source:
  
  If the current data source is not a line item data source, you will need to select a different data source that meets the requirement. Look for data sources that are specifically designed to provide line item data.
  
  
  
  Review Data Source Configuration:
  
  Ensure that the data source is configured correctly in the SAP BW system. This includes checking the extraction settings and ensuring that the data source is set up to extract line item data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details about the data source you are working with. This can provide insights into whether it is a line item data source and how to configure it properly.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as sometimes issues can be resolved through system updates.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to SAP support for assistance. They can provide more detailed guidance based on your specific system configuration and requirements.
  
  
  
  Related Information:
  
  Line Item Data Sources: These are typically used for detailed reporting and analysis in SAP BW. Examples include data sources from financial transactions, sales orders, etc.
  SAP BW: Business Warehouse is a data warehousing solution that allows for the extraction, transformation, and loading (ETL) of data from various sources into a central repository for reporting and analysis.
  Error Codes: Familiarize yourself with other common SAP error codes and their meanings, as they can provide additional context when troubleshooting.
  
  By following these steps, you should be able to identify the cause of the RD018 error and implement a suitable solution.