Google Sheet connection error

Hi,

I have downloaded your plugin and followed all steps but nothing reflecting in Google sheets (added tags in sheets as well like: your-name, your-email, etc ). Tried reinstalling the plugin but still not work.
Here is the error :

4 April 2017 15:14:55 PHP 5.6.29Array
(
[date] => 4 April 2017 15:14:51
[your-name] => Test
[your-email] => [email protected]
[number] => 123456789
[menu-294] => Linux Server Administrator
[menu-412] => 1-2
[file-78] =>
[ERROR_MSG] => Error in Google Request
[TRACE_STK] => #0 /home/wiplon/public_html/wp-content/plugins/cf7-google-sheets-connector/lib/asimlqt/php-google-spreadsheet-client/src/Google/Spreadsheet/DefaultServiceRequest.php(146): Google\Spreadsheet\DefaultServiceRequest->execute(Resource id #516)
#1 /home/wiplon/public_html/wp-content/plugins/cf7-google-sheets-connector/lib/asimlqt/php-google-spreadsheet-client/src/Google/Spreadsheet/ListFeed.php(78): Google\Spreadsheet\DefaultServiceRequest->post(‘https://spreads…&#8217;, ‘<entry xmlns=”h…’)
#2 /home/wiplon/public_html/wp-content/plugins/cf7-google-sheets-connector/lib/google-sheets.php(80): Google\Spreadsheet\ListFeed->insert(Array)
#3 /home/wiplon/public_html/wp-content/plugins/cf7-google-sheets-connector/includes/class-gs-service.php(110): googlesheet->add_row(Array)
#4 [internal function]: Gs_Connector_Service->cf7_save_to_google_sheets(Object(WPCF7_ContactForm))
#5 /home/wiplon/public_html/wp-includes/class-wp-hook.php(298): call_user_func_array(Array, Array)
#6 /home/wiplon/public_html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(”, Array)
#7 /home/wiplon/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#8 /home/wiplon/public_html/wp-content/plugins/contact-form-7/includes/submission.php(162): do_action(‘wpcf7_mail_sent’, Object(WPCF7_ContactForm))
#9 /home/wiplon/public_html/wp-content/plugins/contact-form-7/includes/submission.php(28): WPCF7_Submission->submit()
#10 /home/wiplon/public_html/wp-content/plugins/contact-form-7/includes/contact-form.php(647): WPCF7_Submission::get_instance(Object(WPCF7_ContactForm))
#11 /home/wiplon/public_html/wp-content/plugins/contact-form-7/includes/controller.php(126): WPCF7_ContactForm->submit()
#12 /home/wiplon/public_html/wp-content/plugins/contact-form-7/includes/controller.php(21): wpcf7_submit_nonajax()
#13 [internal function]: wpcf7_control_init(”)
#14 /home/wiplon/public_html/wp-includes/class-wp-hook.php(298): call_user_func_array(‘wpcf7_control_i…’, Array)
#15 /home/wiplon/public_html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(”, Array)
#16 /home/wiplon/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#17 /home/wiplon/public_html/wp-settings.php(470): do_action(‘wp_loaded’)
#18 /home/wiplon/public_html/wp-config.php(92): require_once(‘/home/wiplon/pu…’)
#19 /home/wiplon/public_html/wp-load.php(37): require_once(‘/home/wiplon/pu…’)
#20 /home/wiplon/public_html/wp-blog-header.php(13): require_once(‘/home/wiplon/pu…’)
#21 /home/wiplon/public_html/index.php(17): require(‘/home/wiplon/pu…’)
#22 {main}
)