Solaris 60

Fatal error: Uncaught ErrorException: md5_file(/home/messink/domains/messink.nl/public_html/wp-content/litespeed/js/a47d7970b35df61f49d973f4e8fde196.js.tmp): Failed to open stream: No such file or directory in /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimizer.cls.php:149 Stack trace: #0 [internal function]: litespeed_exception_handler() #1 /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimizer.cls.php(149): md5_file() #2 /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(837): LiteSpeed\Optimizer->serve() #3 /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(387): LiteSpeed\Optimize->_build_hash_url() #4 /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(264): LiteSpeed\Optimize->_optimize() #5 /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(225): LiteSpeed\Optimize->_finalize() #6 /home/messink/domains/messink.nl/public_html/wp-includes/class-wp-hook.php(324): LiteSpeed\Optimize->finalize() #7 /home/messink/domains/messink.nl/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #8 /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/core.cls.php(459): apply_filters() #9 [internal function]: LiteSpeed\Core->send_headers_force() #10 /home/messink/domains/messink.nl/public_html/wp-includes/functions.php(5464): ob_end_flush() #11 /home/messink/domains/messink.nl/public_html/wp-includes/class-wp-hook.php(324): wp_ob_end_flush_all() #12 /home/messink/domains/messink.nl/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #13 /home/messink/domains/messink.nl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #14 /home/messink/domains/messink.nl/public_html/wp-includes/load.php(1279): do_action() #15 [internal function]: shutdown_action_hook() #16 {main} thrown in /home/messink/domains/messink.nl/public_html/wp-content/plugins/litespeed-cache/src/optimizer.cls.php on line 149