How To Fix W3_TOOL071 - Enter a module type

SAP Error Message - Details

• Message type: E = Error

• Message class: W3_TOOL - ITS: Maintenance Messages

• Message number: 071

• Message text: Enter a module type

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 W3_TOOL071 - Enter a module type ?

  SAP Error Message:
  W3_TOOL071: Enter a module type
  
  
  Cause:
  This message appears when you are working in the SAP Web Dynpro development environment (e.g., Web Dynpro ABAP or Java) and you attempt to create or modify a component or module without specifying the required module type. The system expects you to define what kind of module you want to create (e.g., component controller, view, window, interface, etc.), but this information is missing or incomplete.
  
  When does it occur?
  
  When creating a new Web Dynpro component or module and the "Module Type" field is left empty.
  When trying to add a new element to a Web Dynpro component without specifying the type.
  Possibly during import or transport if metadata is incomplete.
  
  
  
  Solution:
  
  
  Specify the Module Type:
  When creating or editing a Web Dynpro component/module, ensure you select the appropriate module type from the dropdown or input field. Common module types include:
  
  Component Controller
  View
  Window
  Interface
  Component Usage
  Context Node, etc.
  
  
  
  Check the Input Screen:
  Make sure the field