Fatal error: Out of memory issue coming on the website

Hello, my site is hosted on Godaddy server. From few days i am getting some issues on my website https://halloweenday2015.com/

Some fatal errors are coming again and again. the whole issue is written below.
I have tries to increase the php.ini file space from 32 M to 128M . but, still no improvement has been seen on the site.
Fatal error: Out of memory (allocated 19922944) (tried to allocate 196608 bytes) in /home/halloweenday2015/public_html/wp-content/themes/jarida/functions/common-scripts.php on line405

Fatal error: Out of memory (allocated 23855104) (tried to allocate 12288 bytes) in /home/halloweenday2015/public_html/wp-admin/includes/comment.php on line 50

A fatal error or timeout occurred while processing this directive.[show].

Can any one help me out to solve this issue.