Error validating access token: session has expired – Facebook Auto Poster. guess you must have tried to make use of facebook auto group poster software and you got an error message saying “Error validating access token: session has expired”. the major reason for getting the Error validating access token: session has expired is because the facebook app access token you are using for the posting. some facebook app access token expires within 1 hour. so if you are making use of such app, the facebook auto poster software will display such error.
when you see something like this Error validating access token: session has expired, to resolve it, you will need to reauthenticate the facebook app access token again to generate new access token to enable you make use of it. so you have to take note of when it will expire again so you can reauthenticate it again. this is one reason why we recommend using facebook app such as facebook htc sense, facebook for iphone, facebook for android access token because it never expire. making use of such access token enables you to use the facebook auto group poster without having such error.
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visit the facebook auto group poster site to start using for free via link below Click To Start Using Facebook Auto Poster