How To Fix RSPLS_CR018 - Exit class '&1' or interface '&2' does not exist

RSPLS_CR018 - Overview

• Message type: E = Error

• Message class: RSPLS_CR - Messages on Characteristic Relationships/Data Slices

• Message number: 018

• Message text: Exit class '&1' or interface '&2' does not exist

What causes this issue?

You are using data slices for InfoCube '&V3&'. The data slice with
number '&V4&' is to be implemented with exit class '&V1&'. However, this
class cannot be instantiated. This can be caused by the following:
Class '&V1&' does not exist or is not active.
Class '&V1&' exists and is active but it does not implement interface '
&V2&'.

System Response

You cannot use the data slice.

How to fix this error?

Create the class named above, activate it, and implement the methods for
the above interface in this class.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSPLS_CR018 - Exit class '&1' or interface '&2' does not exist ?

  The SAP error message RSPLS_CR018 indicates that the system is unable to find a specified exit class or interface. This typically occurs in the context of SAP BW (Business Warehouse) when there is a problem with the implementation of a user exit or BAdI (Business Add-In) that is expected to be present but is missing or incorrectly configured.
  
  Cause:
  
  Missing Implementation: The specified exit class or interface has not been implemented in the system.
  Incorrect Naming: There may be a typo or incorrect naming in the configuration that references the exit class or interface.
  Transport Issues: If the exit class or interface was recently transported from another system, it may not have been transported correctly or may be missing dependencies.
  Authorization Issues: The user may not have the necessary authorizations to access the exit class or interface.
  
  
  Solution:
  
  Check Implementation: Verify if the exit class or interface exists in the system. You can do this by using