How To Fix ED055 - Internal error in navigation: Function module name is missing

ED055 - Overview

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 055

• Message text: Internal error in navigation: Function module name is missing

What causes this issue?

The function module name has been lost by an internal navigation error.
The desired function can therefore not be carried out.

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

System Response

How to fix this error?

Pleas report the error, specifying the navigation steps performed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ED055 - Internal error in navigation: Function module name is missing ?

  The SAP error message ED055, which states "Internal error in navigation: Function module name is missing," typically occurs in the context of SAP's navigation framework, particularly when there is an issue with the configuration or setup of a navigation-related function module.
  
  Cause:
  
  Missing Function Module: The error indicates that a required function module name is not specified or is missing in the navigation configuration.
  
  Configuration Issues: There may be issues in the configuration of the navigation settings in the SAP system, such as missing entries in the relevant tables or incorrect settings.
  Transport Issues: If the system has recently undergone a transport of changes, it is possible that some objects were not transported correctly, leading to missing function modules.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain function modules, leading to this error.
  
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant transaction (e.g., SE80 or SE11) and check the navigation settings for