Have you defined a target in Wappler that goes to your web server and is the SQL Server IP accessible from your webserver? Not blocked by firewall or so?
Checking Connection …
drwxrwxrwx 1 owner group 0 Oct 18 15:07 App_Data
drwxrwxrwx 1 owner group 0 Oct 18 15:07 Bin
drwxrwxrwx 1 owner group 0 Oct 18 15:07 dmxConnect
drwxrwxrwx 1 owner group 0 Oct 18 15:08 dmxConnections
-rwxrwxrwx 1 owner group 117 Oct 18 15:08 index.html
Connection Test completed successfully…