How To Fix EC326 - Internal error: Unknown function type &1

EC326 - Overview

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 326

• Message text: Internal error: Unknown function type &1

What causes this issue?

Erroneous function module call

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Inform SAP

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC326 - Internal error: Unknown function type &1 ?

  The SAP error message EC326, which states "Internal error: Unknown function type &1," typically indicates that there is an issue with the configuration or execution of a function module or a related process in the SAP system. This error can arise in various contexts, such as during the execution of a program, report, or transaction that involves function modules.
  Possible Causes:
  
  Incorrect Function Type: The function type being referenced may not be defined or recognized in the system. This could be due to a typo or an incorrect configuration.
  Missing or Inactive Function Module: The function module that is supposed to handle the specified function type may be missing or inactive.
  Custom Development Issues: If there are custom developments or enhancements, they may not be correctly implemented, leading to this error.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly imported or activated.
  System Bugs: There may