Thanks, Adam for your response. find below the detailed message from WordPress, please know I am not IT person.
Error Details
=============
An error of type E_ERROR was caused in line 359 of the file /home3/qeigplan/public_html/wp-content/plugins/broken-link-checker/core/core.php. Error message: Uncaught Error: [] operator not supported for strings in /home3/qeigplan/public_html/wp-content/plugins/broken-link-checker/core/core.php:359
Stack trace:
#0 /home3/qeigplan/public_html/wp-includes/class-wp-hook.php(290): wsBrokenLinkChecker->plugin_action_links(‘
