How To Fix WER155 - Please specify a class and method

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 155

• Message text: Please specify a class and method

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WER155 - Please specify a class and method ?

  SAP Error Message:
  
  WER155 - Please specify a class and method
  
  Cause:
  The error message WER155 occurs when a required class and method are not specified in a context where the system expects them. This typically happens in scenarios involving:
  
  Workflow event linkage where a method of a class must be assigned.
  Business Object Repository (BOR) method calls.
  Custom enhancements or user-exits where a class and method are expected but missing.
  When defining event handlers or actions in workflows or other object-oriented configurations.
  
  In short, the system expects a fully qualified class and method name to execute, but these have not been provided or are incomplete.
  
  Solution:
  To resolve the WER155 error, you need to:
  
  
  Specify the Class and Method:
  
  Identify where the class and method need to be specified (e.g., workflow event linkage, BOR method call, enhancement implementation).
  Enter the correct class name and method name in the required fields.
  
  
  
  Check the Configuration:
  
  In workflow builder (transaction SWDD), verify that the method is assigned to the event or step.
  In BOR, ensure the method is correctly linked to the business object.
  
  
  
  Verify Class and Method Existence:
  
  Use transaction SE24 to check if the class exists.
  Use transaction SE80 or SE24 to verify the method exists in the class.
  
  
  
  Correct the Syntax:
  
  The class and method should be specified in the correct format, usually:
  
  Class: ZCL_MY_CLASS
  Method: MY_METHOD
  
  
  
  
  
  Check for Transport or Development Issues:
  
  If the class or method was recently created or changed, ensure it is properly transported and activated.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWDD - Workflow Builder
  SE24 - Class Builder
  SE80 - Object Navigator
  
  
  
  Common Scenarios:
  
  Workflow step calling a method without specifying the method.
  Event linkage missing method assignment.
  Custom enhancements requiring method implementation.
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes related to workflow errors or BOR method calls.
  Review SAP Help Portal documentation on workflow and BOR.
  
  
  
  
  Summary:
  WER155 means the system requires a class and method to be specified but they are missing. To fix it, specify the correct class and method in the relevant configuration or code, verify their existence, and ensure proper activation.
  
  If you provide the exact context where this error occurs (e.g., workflow, enhancement, BOR), I can give more tailored guidance.