I have successfully connected to Facebook, including entering the Client ID and Client Secret. After that, when I tried to save, it failed to save and showed an error as shown in the picture. Has anyone experienced this problem and has a solution? Please help me.
Hello @ithikorn_thitinavakh , Welcome to the community 
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It seems the connection is not being saved. Can you try reconnecting it and also ensure that the Redirect URL is added, as shown in Unable to connect to facebook.
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