error css

It seems sth wrong with Google widget CSS

ERROR con el siguiente complemento: Widgets para Google Reviews

El archivo CSS no se pudo guardar. (/home/d226141/rentuos.com/wp-content/uploads/trustindex-google-widget.css) ¡Sus widgets no se muestran correctamente!

There is an error with your filesystem. We got the following error message:

ErrorException: fopen(/home/d226141/rentuos.com/wp-content/uploads/trustindex-google-widget.css): failed to open stream: No such file or directory in /home/n236269/public_html/wp-admin/includes/class-wp-filesystem-direct.php:66
Stack trace:
#0 [internal function]: TrustindexPlugin_google->{closure}(2, 'fopen(/home/d22...', '/home/n236269/p...', 66, Array)
#1 /home/n236269/public_html/wp-admin/includes/class-wp-filesystem-direct.php(66): fopen('/home/d226141/r...', 'wb')
#2 /home/n236269/public_html/wp-content/plugins/wp-reviews-plugin-for-google/trustindex-plugin.class.php(626): WP_Filesystem_Direct->put_contents('/home/d226141/r...', '@font-face{font...', 511)
#3 /home/n236269/public_html/wp-content/plugins/wp-reviews-plugin-for-google/trustindex-plugin.class.php(568): TrustindexPlugin_google->handleCssFile()
#4 /home/n236269/public_html/wp-includes/class-wp-hook.php(307): TrustindexPlugin_google->plugin_loaded('')
#5 /home/n236269/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#6 /home/n236269/public_html/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#7 /home/n236269/public_html/wp-settings.php(461): do_action('plugins_loaded')
#8 /home/n236269/public_html/wp-config.php(96): require_once('/home/n236269/p...')
#9 /home/n236269/public_html/wp-load.php(50): require_once('/home/n236269/p...')
#10 /home/n236269/public_html/wp-admin/admin.php(34): require_once('/home/n236269/p...')
#11 /home/n236269/public_html/wp-admin/plugins.php(10): require_once('/home/n236269/p...')
#12 {main}

The page I need help with: [log in to see the link]