400 error in widget

I see this error on all the websites where I have tawkto:

XHRPOST
https://va.tawk.to/v1/session/start

POST
scheme https
host va.tawk.to
filename /v1/session/start
Dirección 104.22.45.142:443

Estado

400

VersiónHTTP/3

Transferido680 B (tamaño 64 B)

Política de referenciastrict-origin-when-cross-origin

Resolución de DNSSistema

I also see that this is a recurring error in Google searches.
I do not have the widget limited by country.
I do have the widget limited by domain.

Other error:

vsa121.tawk.to - data/ load from http (insecure).

Could someone help me solve this?
Thanks