How To Fix RSDS323 - Function must be implemented in external system

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 323

• Message text: Function must be implemented in external system

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS323 - Function must be implemented in external system ?

  The SAP error message RSDS323, which states "Function must be implemented in external system," typically occurs in the context of SAP Data Services or when working with SAP BW (Business Warehouse) and involves the use of DataSources or InfoProviders that are expected to retrieve data from an external system.
  Cause:
  The error usually arises when:
  
  Missing Implementation: The function or method that is supposed to fetch data from the external system has not been implemented or is not available in the external system.
  Configuration Issues: There may be configuration issues in the DataSource or InfoProvider settings that prevent the system from correctly accessing the external data.
  Connectivity Problems: There could be connectivity issues between the SAP system and the external system, such as network problems or incorrect connection parameters.
  Authorization Issues: The user or service account may not have the necessary permissions to access the external system or the specific function.
  
  Solution:
  To resolve the RSDS323 error, you can take the following steps:
  
  
  Check Implementation:
  
  Verify that the required function is implemented in the external system. This may involve checking with the external system's development team or documentation.
  
  
  
  Review DataSource Configuration:
  
  Go to the DataSource settings in SAP BW and ensure that all configurations are correct. This includes checking the source system settings, extraction method, and any relevant parameters.
  
  
  
  Test Connectivity:
  
  Ensure that the SAP system can connect to the external system. You can use transaction codes like SM59 to check RFC connections or other relevant tools to test connectivity.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account used for the connection has the necessary authorizations to access the external system and execute the required functions.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the specific DataSource or InfoProvider you are working with. There may be specific instructions or known issues that can help resolve the error.
  
  
  
  Debugging:
  
  If you have access to the development environment, consider debugging the extraction process to identify where the failure occurs.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the official SAP documentation for Data Warehousing and Data Services for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDS323 error in your SAP environment.