FTP connection freezes in Wappler 3.0.2

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======== TEMPLATE BUG FORM ========

Wappler Version : 3.0.2
Operating System : Win 10 and Mac Catalina
Server: CentOS 7

Expected behavior

What do you think should happen?

FTP should connect

What actually happens?
Connection window freezes

Tried server model PHP and Node

Can connect without problem with PHP server model in 2.9.1

Bug report attached: chrome_debug.zip (3.1 KB)