Fatal error: Uncaught TypeError: AV\Platform\Altervista_Api::get_access_token(): Return value must be of type string, none returned in /membri/.dummy/master/wordpress/wp-content/plugins/altervista/classes/platform/altervista-api.php:217
Stack trace:
#0 /membri/.dummy/master/wordpress/wp-content/plugins/altervista/classes/platform/altervista-api.php(35): AV\Platform\Altervista_Api::get_access_token()
#1 /membri/.dummy/master/wordpress/wp-content/plugins/altervista/classes/platform/altervista-api.php(13): AV\Platform\Altervista_Api::api_request('GET', '/api/account/pr...')
#2 /membri/.dummy/master/wordpress/wp-content/plugins/altervista/classes/platform/installer.php(24): AV\Platform\Altervista_Api::get_account_info()
#3 /membri/prvdevav800070/wp-includes/class-wp-hook.php(307): AV\Platform\Installer::install('')
#4 /membri/prvdevav800070/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
#5 /membri/prvdevav800070/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#6 /membri/prvdevav800070/wp-settings.php(601): do_action('init')
#7 /membri/prvdevav800070/wp-config.php(26): require_once('/membri/prvdeva...')
#8 /membri/prvdevav800070/wp-load.php(52): require_once('/membri/prvdeva...')
#9 /membri/prvdevav800070/wp-blog-header.php(13): require_once('/membri/prvdeva...')
#10 /membri/prvdevav800070/index.php(17): require('/membri/prvdeva...')
#11 {main}
thrown in /membri/.dummy/master/wordpress/wp-content/plugins/altervista/classes/platform/altervista-api.php on line 217
Warning: foreach() argument must be of type array|object, null given in /membri/.dummy/master/wordpress/wp-content/plugins/altervista/classes/telemetry/error-handler.php on line 125