$viessmannApi->getHeatingSolarStatistics() not working.

[danst0]

Hi,

most values are working. However, I get the following error on $viessmannApi->getHeatingSolarStatistics():

~/d/o/viessmann ❯❯❯ php test.php

PHP Warning:  OAuth\Common\Http\Client\AbstractClient::OAuth\Common\Http\Client\{closure}(): Argument #2 ($key) must be passed by reference, value given in phar:///home/danst/dockers/openhab/viessmann/Viessmann-Api-2.1.1-SNAPSHOT.phar/vendor/lusitanian/oauth/src/OAuth/Common/Http/Client/AbstractClient.php on line 70
PHP Warning:  OAuth\Common\Http\Client\AbstractClient::OAuth\Common\Http\Client\{closure}(): Argument #2 ($key) must be passed by reference, value given in phar:///home/danst/dockers/openhab/viessmann/Viessmann-Api-2.1.1-SNAPSHOT.phar/vendor/lusitanian/oauth/src/OAuth/Common/Http/Client/AbstractClient.php on line 70
Message: Unable to get data for feature heating.solar.statistics
 Reason: No such Feature
Code: 1