What happened to FastPictureViewer Pro in 2015?


Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method Buttons::Main_Button() cannot be called statically in /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/class-wp-hook.php:303 Stack trace: #0 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/plugin.php(189): WP_Hook->apply_filters('<p>It&#8217;s t...', Array) #1 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/post-template.php(253): apply_filters('the_content', 'It's that time ...') #2 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-content/themes/twentyten/loop.php(144): the_content('Continue readin...') #3 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/template.php(772): require('/home/clients/a...') #4 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/template.php(716): load_template('/home/clients/a...', false, Array) #5 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/general-template.php(204): locate_template(Array, true, false, Array) #6 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-content/themes/twentyten/index.php(27): get_template_part('loop', 'index') #7 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/template-loader.php(106): include('/home/clients/a...') #8 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-blog-header.php(19): require_once('/home/clients/a...') #9 /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/index.php(17): require('/home/clients/a...') #10 {main} thrown in /home/clients/a32e6e11c6fe2e180167e1fa6e7ea84b/web/blog/wp-includes/class-wp-hook.php on line 303
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