hwe_viral_Social_plugin

Social Traffic plugin from Bill Crosby is shwoing follwing error at the bottom of my WP backend:

Uncaught exception ‘LinkedInException’ with message ‘LinkedIn->fetch(): connection was closed unexpectedly with endpoint.’ in /home/renepf/public_html/zukunftderkommunikation.com/wp-content/plugins/hwe_viral_social_plug/linkedin_3.3.0.class.php:549 Stack trace: #0 /home/renepf/public_html/zukunftderkommunikation.com/wp-content/plugins/hwe_viral_social_plug/linkedin_3.3.0.class.php(743): LinkedIn->fetch(‘GET’, ‘https://api.lin…’) #1 /home/renepf/public_html/zukunftderkommunikation.com/wp-content/plugins/hwe_viral_social_plug/viral_social_media_plugin.php(60): LinkedIn->group(‘DEMO_GROUP’, ‘:(relation-to-v…’) #2 [internal function]: fun_call_group_updae(”) #3 /home/renepf/public_html/zukunftderkommunikation.com/wp-includes/plugin.php(403): call_user_func_array(‘fun_call_group_…’, Array) #4 /home/renepf/public_html/zukunftderkommunikation.com/wp-admin/admin-footer.php(32): do_action(‘admin_footer’, ”) #5 /home/renepf/public_html/zukunftderkommunikation.com/wp-admin/index.php(115): require(‘/home/renepf/p in /home/renepf/public_html/zukunftderkommunikation.com/wp-content/plugins/hwe_viral_social_plug/linkedin_3.3.0.class.php on line 549

Thanks for your help!