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Fatal error: Uncaught Kreait\Firebase\Exception\InvalidArgumentException: json_decode error: Syntax error in /home/protected/vendor/kreait/firebase-php/src/Firebase/Util/JSON.php:55
Stack trace:
#0 /home/protected/vendor/kreait/firebase-php/src/Firebase/Exception/ApiException.php(21): Kreait\Firebase\Util\JSON::decode('', true)
#1 /home/protected/vendor/kreait/firebase-php/src/Firebase/Database/ApiClient.php(78): Kreait\Firebase\Exception\ApiException::wrapThrowable(Object(GuzzleHttp\Exception\ServerException))
#2 /home/protected/vendor/kreait/firebase-php/src/Firebase/Database/ApiClient.php(44): Kreait\Firebase\Database\ApiClient->request('GET', Object(GuzzleHttp\Psr7\Uri))
#3 /home/protected/vendor/kreait/firebase-php/src/Firebase/Database/Reference.php(325): Kreait\Firebase\Database\ApiClient->get(Object(GuzzleHttp\Psr7\Uri))
#4 /home/protected/vendor/kreait/firebase-php/src/Firebase/Database/Reference.php(292): Kreait\Firebase\Database\Reference->getSnapshot()
#5 /home/protected/classes/DescriptorList.php(45): Kreait\ in /home/protected/vendor/kreait/firebase-php/src/Firebase/Util/JSON.php on line 55