How To Fix EQ310 - Internal error: unknown function code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EQ - Cross-IS-U functions

• Message number: 310

• Message text: Internal error: unknown function code &1

What causes this issue?

You have selected a function that is not supported.

System Response

This function cannot be used.

How to fix this error?

INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EQ310 - Internal error: unknown function code &1 ?

  The SAP error message EQ310 "Internal error: unknown function code &1" typically indicates that there is an issue with the function code being processed in the system. This error can occur in various contexts, such as during the execution of a transaction or when processing a specific function in a program.
  Causes:
  
  Invalid Function Code: The function code being called does not exist or is not recognized by the system.
  Custom Development Issues: If there are custom programs or enhancements, they may be calling a function code that is not defined or has been removed.
  System Configuration Issues: There may be configuration settings that are incorrect or missing, leading to the system not recognizing the function code.
  Transport Issues: If recent transports have been made, they may not have been imported correctly, leading to inconsistencies in the function codes available in the system.
  Version Compatibility: The error may arise if there are compatibility issues between different versions of SAP components or modules.
  
  Solutions:
  
  Check Function Code: Verify that the function code being used is valid and exists in the system. You can do this by checking the relevant documentation or using transaction codes like SE37 (Function Builder) to look up the function code.
  Review Custom Code: If the error is occurring in a custom program, review the code to ensure that it is calling the correct function codes and that they are properly defined.
  Check Configuration: Review the configuration settings related to the transaction or module where the error occurs. Ensure that all necessary settings are in place.
  Transport Management: If the error started occurring after a transport, check the transport logs for any issues and ensure that all necessary objects were transported correctly.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant program to trace where the error occurs and gather more information about the context of the error.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the transaction code, the context in which it occurs, and any relevant logs.
  Community Forums: Check SAP community forums or other online resources where similar issues may have been discussed. Other users may have encountered the same error and found solutions.
  Documentation: Review SAP documentation related to the specific module or transaction where the error occurs for any known issues or troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the EQ310 error and implement a solution.