Membership Premium erros

I just installed membership and I am getting these errrors. When I installed the free one, I did not get any errors.

Warning: fopen(/home6/asenseo1/public_html/playwondergrow/wp-content/plugins/membership/membershippremium.php) [function.fopen]: failed to open stream: No such file or directory in /home6/asenseo1/public_html/playwondergrow/wp-includes/functions.php on line 4284

Warning: fread(): supplied argument is not a valid stream resource in /home6/asenseo1/public_html/playwondergrow/wp-includes/functions.php on line 4287

Warning: fclose(): supplied argument is not a valid stream resource in /home6/asenseo1/public_html/playwondergrow/wp-includes/functions.php on line 4290
The membership plugin version is enabled [Disable it]