How To Fix /UI2/WD_CFG000 - Value may only contain uppercase letters, numerals, and '_'

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/WD_CFG -

• Message number: 000

• Message text: Value may only contain uppercase letters, numerals, and '_'

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/WD_CFG000 - Value may only contain uppercase letters, numerals, and '_' ?

  The SAP error message /UI2/WD_CFG000 Value may only contain uppercase letters, numerals, and '_' typically occurs in the context of SAP Web Dynpro applications, particularly when configuring or defining certain parameters or identifiers that are expected to follow specific naming conventions.
  Cause:
  This error is triggered when a value (such as a name for a component, view, or configuration parameter) contains characters that are not allowed. The allowed characters, as specified by the error message, are:
  
  Uppercase letters (A-Z)
  Numerals (0-9)
  Underscore (_)
  
  If the value you are trying to use includes lowercase letters, special characters, or spaces, the system will reject it and display this error message.
  Solution:
  To resolve this error, you should:
  
  Check the Value: Review the value you are trying to enter or configure. Ensure that it only contains uppercase letters, numerals, and underscores.
  Modify the Value: If the value contains any disallowed characters, modify it to conform to the naming conventions. For example:
  
  Change myValue to MYVALUE
  Change value-1 to VALUE_1
  Remove any spaces or special characters.
  
  
  Re-enter the Value: After making the necessary changes, re-enter the value in the configuration or definition where the error occurred.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Web Dynpro and UI5 for more details on naming conventions and configuration guidelines.
  SAP Community: You can also check the SAP Community forums for discussions related to this error, as other users may have encountered similar issues and shared their solutions.
  Testing: After making changes, test the application or configuration to ensure that the error is resolved and that the application behaves as expected.
  
  By following these steps, you should be able to resolve the error and successfully configure your SAP Web Dynpro application.