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ok al fin logre vincularla pero cuando crei que todo iva bien me salio este fatal error

Fatal error: Uncaught exception 'OAuth\Common\Http\Exception\TokenResponseException' with message 'Failed to request resource.' in /home/u588924891/public_html/vendor/lusitanian/oauth/src/OAuth/Common/Http/Client/StreamClient.php:68 Stack trace: #0 /home/u588924891/public_html/vendor/lusitanian/oauth/src/OAuth/OAuth2/Service/AbstractService.php(100): OAuth\Common\Http\Client\StreamClient->retrieveResponse(Object(OAuth\Common\Http\Uri\Uri), Array, Array) #1 /home/u588924891/public_html/phpbb/auth/provider/oauth/service/facebook.php(69): OAuth\OAuth2\Service\AbstractService->requestAccessToken('AQB7qD4p6f5N-ke...') #2 /home/u588924891/public_html/phpbb/auth/provider/oauth/oauth.php(198): phpbb\auth\provider\oauth\service\facebook->perform_auth_login() #3 /home/u588924891/public_html/phpbb/auth/auth.php(938): phpbb\auth\provider\oauth\oauth->login('', '') #4 /home/u588924891/public_html/includes/functions.php(2896): phpbb\auth\auth->login('', '', false, 1, 0) #5 /home/u588924891/public_html/ucp.php(84): login_box('index.php' in /home/u588924891/public_html/vendor/lusitanian/oauth/src/OAuth/Common/Http/Client/StreamClient.php on line 68

ayudenme estoy a punto de un colapso nervioso