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<b>Fatal error</b>:  Uncaught Google\Service\Exception: {
  &quot;error&quot;: &quot;invalid_grant&quot;,
  &quot;error_description&quot;: &quot;Bad Request&quot;
} in /home/shainco/public_html/demo/vendor/google/apiclient/src/Http/REST.php:134
Stack trace:
#0 /home/shainco/public_html/demo/vendor/google/apiclient/src/Http/REST.php(107): Google\Http\REST::decodeHttpResponse(Object(GuzzleHttp\Psr7\Response), Object(GuzzleHttp\Psr7\Request), 'Google\\Service\\...')
#1 [internal function]: Google\Http\REST::doExecute(Object(GuzzleHttp\Client), Object(GuzzleHttp\Psr7\Request), 'Google\\Service\\...')
#2 /home/shainco/public_html/demo/vendor/google/apiclient/src/Task/Runner.php(187): call_user_func_array(Array, Array)
#3 /home/shainco/public_html/demo/vendor/google/apiclient/src/Http/REST.php(66): Google\Task\Runner-&gt;run()
#4 /home/shainco/public_html/demo/vendor/google/apiclient/src/Client.php(921): Google\Http\REST::execute(Object(GuzzleHttp\Client), Object(GuzzleHttp\Psr7\Request), 'Google\\Service\\...', Array, NULL)
#5 /home/shainco/public_html/demo/vendor/google/apicl in <b>/home/shainco/public_html/demo/vendor/google/apiclient/src/Http/REST.php</b> on line <b>134</b><br />