Issue after activation

After activastion of Jigoshop plugin it show me this on my dashboard:

els/product-data.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 20

Warning: include(write-panels/product-data-save.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 21

Warning: include(write-panels/product-types/variable.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 22

Warning: include(write-panels/order-data.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 23

Warning: include(write-panels/order-data-save.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 24

Warning: include(write-panels/coupon-data.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 25

Warning: include(write-panels/email-data.php): failed to open stream: No such file or directory in /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php on line 26

Warning: session_start(): Cannot send session cache limiter – headers already sent (output started at /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php:20) in /home/s/slina/www/shop/wp-content/plugins/jigoshop/classes/jigoshop_session.class.php on line 22

Warning: Cannot modify header information – headers already sent by (output started at /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php:20) in /home/s/slina/www/shop/wp-includes/option.php on line 828

Warning: Cannot modify header information – headers already sent by (output started at /home/s/slina/www/shop/wp-content/plugins/jigoshop/admin/jigoshop-write-panels.php:20) in /home/s/slina/www/shop/wp-includes