How To Fix LOP059 - Customizing: Class &1 does not exist or does not implement interface &2

LOP059 - Overview

• Message type: E = Error

• Message class: LOP - Logistical contract options

• Message number: 059

• Message text: Customizing: Class &1 does not exist or does not implement interface &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LOP059 - Customizing: Class &1 does not exist or does not implement interface &2 ?

  The SAP error message LOP059 indicates that there is an issue with a class in the SAP system that is either not defined or does not implement the required interface. This error typically occurs in the context of SAP Logistics Execution (LE) or Warehouse Management (WM) when the system is trying to execute a function that relies on a specific class.
  
  Cause:
  
  Class Not Defined: The class specified in the error message (&1) does not exist in the system. This could be due to a missing transport or an incomplete installation.
  Class Does Not Implement Interface: The class exists but does not implement the required interface (&2). This could happen if the class was modified or if the interface was changed and the class was not updated accordingly.
  Transport Issues: If the class was recently transported from another system, there may have been issues during the transport process.
  Development Errors: Custom developments may have errors