Hi As I am trying to connect with gmail account with the help of "Gmail Connected system".The Gmail Connected system is connect successfully when it comes to integration I am getting "GMail Integration Error"The screenshot below:-Please let me know what I am missing.
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Difficult to say. Seems like your credentials are not correct or not correctly set up.
Mostly either your Api key is incorrect, or your credentials are incorrect.
I changed the api key again after that "Invalid token error " is coming.