http error

Cannot instantiate a process with axios via HTTP

I have a Node.js API which I'm trying to communicate with Bonitasoft via Axios, I can login and get the processes that the logged user can instantiate, no problem there. But when I want to instantiate a process I'm getting 401 code, I'm passing the bonita token in the header as:

X-Bonita-API-Token: Token value from login

Also tried sending the cookie header as:

http error while uploading a .bar

Env: Bonita 6.2.0 on Tomcat 7.047, Win 7.
Bar created with studio 6.2.0
while trying to install an application thru hosted portal, I got "http error" after the .bar file is selected (on local drive) for upload.
The error message appears after a few minutes or seconds, depending on the size of the .bar, but it always happen.
The install button is never enabled.
is there any requirements for the http upload to work?
Like firewall ports open, etc.?
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