How To Fix RT666 - Function &1, &4 &2, &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 666

• Message text: Function &1, &4 &2, &3

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT666 - Function &1, &4 &2, &3 ?

  The SAP error message RT666 typically indicates an issue related to the function module or method being called in the ABAP program. The message format suggests that it is providing information about a specific function and its parameters, which can help in diagnosing the problem.
  Cause:
  The error message RT666 can occur due to several reasons, including but not limited to:
  
  Incorrect Function Module Call: The function module or method being called may not exist or may not be correctly defined.
  Parameter Mismatch: The parameters being passed to the function may not match the expected types or may be missing required parameters.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function.
  Data Issues: There may be issues with the data being processed, such as null values or incorrect formats.
  
  Solution:
  To resolve the RT666 error, you can take the following steps:
  
  Check Function Module/Method: Verify that the function module or method being called exists and is correctly defined in the system.
  Review Parameters: Ensure that all required parameters are being passed correctly and that their types match the expected types in the function definition.
  Authorization Check: Confirm that the user has the necessary authorizations to execute the function. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the code to analyze the values being passed to the function and identify any discrepancies.
  Consult Documentation: Review the SAP documentation for the specific function module or method to understand its requirements and constraints.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to explore the function module and its parameters.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to the function module in question.
  Community Forums: Consider searching or posting in SAP community forums or SAP Community Network (SCN) for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to involve your SAP Basis or ABAP development team for further investigation.