Fixed: Uncaught Error: Call to a member function enable_custom_property() on bool if no token was entered.

Author: Dan0sz

src/Admin/Upgrades.php

@@ -11,6 +11,7 @@
 
 use Exception;
 use Plausible\Analytics\WP\Admin\Provisioning\Integrations;
+use Plausible\Analytics\WP\Client;
 use Plausible\Analytics\WP\Helpers;
 
 /**
@@ -292,6 +293,11 @@ public function upgrade_to_230() {
 			$edd_provisioning = new Provisioning\Integrations\EDD( new Integrations() );
 			$provisioning     = new Provisioning();
 
+			// No token entered.
+			if ( ! $provisioning->client instanceof Client ) {
+				return;
+			}
+
 			$provisioning->maybe_create_custom_properties( [], $settings );
 			$edd_provisioning->maybe_create_edd_funnel( [], $settings );
 		}