Error when I try to activate this plugin

Sorry for the late reply here. Can you please provide me with the error message that is being shown when you get the blank page?

You can force WordPress to show error messages by enabling the debug mode.

Hello!

Same problem, the admin is blank.

Woocommerce: 2.3.9.
WP: 4.2.2

The error on the main screen:
Notice: Undefined property: stdClass::$data in /wp-content/plugins/woocommerce-naguro-connect_/includes/naguro/repositories/class-modules-repository.php on line 85

Warning: Invalid argument supplied for foreach() in /wp-content/plugins/woocommerce-naguro-connect_/includes/naguro/repositories/class-modules-repository.php on line 85

I also had an error at the admin page:

Parse error: syntax error, unexpected ‘[‘ in /wp-content/plugins/woocommerce-naguro-connect/includes/woocommerce/admin/class-wc-naguro-product-meta-box.php on line 380

I replaced the line from:
$image_src = wp_get_attachment_image_src( $file_id, ‘full’ )[0];

to:
$image_src = wp_get_attachment_image_src( $file_id, ‘full’ );

And the Naguro started working ??

Thanks for the detailed report. I know what’s causing both of these issues and will have a fixed release available soon. You can further track the issues on our GitHub development repository:

• empty modules array foreach error
• parse error on ()[] symbol error