Correct answer is A global element

Global error handlers are to be created in global element .

Quick note to remember here is Global error handlers come in to picture only when there are no error handlers specified as flow level.

Steps to create Global error handler

1) Click Global Elements to open Global Configuration Elements. Global Elements is located below the Studio canvas

2) In Global Configuration Elements, click Create to open the Choose Global Type dialog

Graphical user interface, text, application, chat or text message Description automatically generated

3) From the dialog, select Global Configuration -→ Configuration, and then click OK to open the Configuration dialog.

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4) From the select Configuration dialog, select allErrorHandler for the Default Error Handler field, and click OK.