How To Fix UD634 - Select a specialization type before executing the function

UD634 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 634

• Message text: Select a specialization type before executing the function

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 UD634 - Select a specialization type before executing the function ?

  The SAP error message UD634, which states "Select a specialization type before executing the function," typically occurs in the context of using the SAP system for managing product data, particularly in the area of variant configuration or product modeling.
  
  Cause:
  The error arises when a user attempts to execute a function that requires a specialization type to be selected, but none has been chosen. Specialization types are often used to define specific characteristics or configurations for products, and the system needs this information to proceed with the operation.
  
  Solution:
  To resolve the UD634 error, follow these steps:
  
  
  Select a Specialization Type: Before executing the function that triggered the error, ensure that you have selected an appropriate specialization type. This is usually done in a dropdown menu or selection screen where you can choose from available options.
  
  
  Check Configuration Settings: If you are unsure which specialization type to select, consult with your system administrator or refer to