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Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /var/www/html/pfdev/newbi2/vendor/influxdb/influxdb-php/src/InfluxDB/ResultSet.php:106 Stack trace: #0 /var/www/html/pfdev/newbi2/vendor/influxdb/influxdb-php/src/InfluxDB/ResultSet.php(106): array_key_exists() #1 /var/www/html/pfdev/newbi2/vendor/influxdb/influxdb-php/src/InfluxDB/ResultSet.php(74): InfluxDB\ResultSet->getSeries() #2 /var/www/html/pfdev/newbi2/index.php(348): InfluxDB\ResultSet->getPoints() #3 {main} thrown in /var/www/html/pfdev/newbi2/vendor/influxdb/influxdb-php/src/InfluxDB/ResultSet.php on line 106