How To Fix EC159 - The value & is not allowed in the menu bar

EC159 - Overview

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 159

• Message text: The value & is not allowed in the menu bar

What causes this issue?

You attempted to define "Y" or "H" as the fastpath in the menu bar, but
these fastpath letters are reserved for the menu bar options
<LS>System</> and <LS>Help</>.

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?

Choose different letters from the menu text for your menu bar options
or generate the fastpath by selecting <LS>More utilities -> Propose
fastpath</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC159 - The value & is not allowed in the menu bar ?

  The SAP error message EC159, which states "The value & is not allowed in the menu bar," typically occurs when a user attempts to enter or select a value in the menu bar that is not recognized or permitted by the system. This can happen in various contexts, such as when using transaction codes, navigating through menus, or entering parameters.
  Causes:
  
  Invalid Input: The value entered in the menu bar may not be valid or recognized by the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access certain menu items or transactions.
  
  Configuration Issues: There may be a configuration issue in the SAP system that restricts certain values from being used.
  System Version: The value may be valid in one version of SAP but not in another, leading to compatibility issues.
  
  Solutions:
  
  Check Input Value: Ensure that the value you are trying to enter is correct and valid. Double-check for typos or