Failure to add devices to chirpstack server

Can anyone find out why I am having trouble adding the device onto chirpstack network server?
Operating on the assumption that the details i have filled up below is correct.
Also do reply if you don’t find anything wrong or if you find anything weird or out of the ordinary

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it just started working. nevermind.

Glad you sorted it, just in case for future reference is the device profile available handy?
Could you share them for reference.

there is not a lot of things i did afterwards to make it work. it just started working and I have no idea why. I keyed in the details several hours ago and after i finished typing the question, it just started joining.
I only added DevEUI, and AppKey, JoinEUI is available via OTAA