Fatal error: Uncaught TypeError: Argument 1 passed to LauLamanApps\IzettleApi\IzettleClientFactory::getPurchaseClient() must implement interface LauLamanApps\IzettleApi\IzettleClientInterface, null given, called in /homepages/35/d696135976/htdocs/print/izettle/pru.php on line 14 and defined in /homepages/35/d696135976/htdocs/print/izettle/src/IzettleClientFactory.php:48 Stack trace: #0 /homepages/35/d696135976/htdocs/print/izettle/pru.php(14): LauLamanApps\IzettleApi\IzettleClientFactory::getPurchaseClient(NULL) #1 {main} thrown in /homepages/35/d696135976/htdocs/print/izettle/src/IzettleClientFactory.php on line 48
Hello, first at all, thanks for all this code, it's so usefull.
But I tried to run an example like this:
This is the error that it gives to me: