Parse Error on new version

Hello,
I installed the new version yesterday and it has an error:

Anyone can help me?

Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /home/patoka/public_html/wp/wp-content/themes/activello/inc/libraries/epsilon-framework/class-epsilon-framework.php on line 140

In line 140 it is written:$response = $class: : $method( $args );