I am using oauth 2.0 with Linkedin as a provider. Now, from today, authentication no longer works. I looked at Linkedin on the API profile page and realized that they were updating their program.
The error I am getting is the following:
No header "Access-Control-Allow-Origin" is present on the requested resource. Origin ' http: // localhost: 3000 ' is therefore not allowed.
This is in JS in the console. I am wondering if this is an actual error or if another error occurs.
I use Rails on the back-end
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https://developer.linkedin.com/support/developer-program-transition
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