Fatal error: Using $this

Tested on versions:
Wordpress 3.9.1 and 3.8.3
RecipePress reloaded 0.5.4

Problem 1:
In the admin panel does not load picture
Problem 2:
Fill in all fields, I created a new post. After the transition to post an error has occurred:

Fatal error: Using $this when not in object context in C:\site\htdocs\wp-content\plugins\recipepress-reloaded\php\template_tags.php on line 270

if( isset($instruction['image']) && $this->option('recipe_images_clickable', '0') == 1 ) { $instr_class = "has_thumbnail"; }