Error message

• Warning: include(/home/amitamso/public_html/amitams3/sites/all/themes/nucleus/nucleus/nucleus/tpl/block.tpl.php): failed to open stream: No such file or directory in theme_render_template() (line 1526 of /home/amitamso/public_html/amitams3/includes/theme.inc).
• Warning: include(/home/amitamso/public_html/amitams3/sites/all/themes/nucleus/nucleus/nucleus/tpl/block.tpl.php): failed to open stream: No such file or directory in theme_render_template() (line 1526 of /home/amitamso/public_html/amitams3/includes/theme.inc).
• Warning: include(): Failed opening '/home/amitamso/public_html/amitams3/sites/all/themes/nucleus/nucleus/nucleus/tpl/block.tpl.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in theme_render_template() (line 1526 of /home/amitamso/public_html/amitams3/includes/theme.inc).