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

SAP Error Message - Details

• 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 transaction codes like SE80 (Object Navigator) or SE18 (BAdI Definition) to search for the specified class or interface.
  Correct Configuration: If there is a typo or misconfiguration, correct it in the relevant settings or configuration.
  Transport Check: If the exit class or interface was supposed to be transported, check the transport logs to ensure it was successfully imported. If not, you may need to re-transport it.
  Authorization Check: Ensure that the user has the necessary authorizations to access the exit class or interface. You can check this using transaction SU53 or by consulting with your security team.
  Consult Documentation: If the exit class or interface is part of a standard SAP delivery, consult the relevant SAP documentation or notes for any additional steps or prerequisites.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific exit class or interface for any known issues or additional guidance.
  Debugging: If you have access to debugging tools, you can set breakpoints to see where the error is being triggered and gather more context.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the RSPLS_CR018 error and implement a solution.