How To Fix B1898 - Error in namespace prefixes of function; see long text

B1898 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 898

• Message text: Error in namespace prefixes of function; see long text

What causes this issue?

The function module &V1& and the function group &V2& are not in the
same namespace.

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?

Go back a step and generate the function module again.
When you choose the function module name, make sure that it starts
with the same namespace prefix as the function group.

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 B1898 - Error in namespace prefixes of function; see long text ?

  The SAP error message B1898, which states "Error in namespace prefixes of function; see long text," typically occurs in the context of ABAP programming, particularly when dealing with function modules or classes that utilize namespaces. This error indicates that there is an issue with the way namespace prefixes are defined or used in the function module.
  
  Cause:
  
  Incorrect Namespace Prefix: The function module may be using an incorrect or undefined namespace prefix. This can happen if the function module is trying to reference objects (like classes or methods) that are not properly defined in the expected namespace.
  Missing or Misconfigured Namespaces: If the namespaces are not correctly configured in the system or if there are discrepancies in the naming conventions, this error can occur.
  Transport Issues: If the function module was transported from another system and the namespaces were not correctly set up in the target system, this could lead to this error.
  Syntax Errors: