New version breaks my site

I tried updating from 3.1.6 to 3.2.1 multiple times, but every time I try my site breaks immediately after the update. It’s staging version so no harm is done, but can you please assist me on how to update plugin successfully?

Error log is saying:
Fatal error: Uncaught Exception: Alert 9034 already registered with Alert Manager. in /nas/content/staging/sweetcannabis/wp-content/plugins/wp-security-audit-log/classes/AlertManager.php:261 Stack trace: #0 /nas/content/staging/sweetcannabis/wp-content/plugins/wp-security-audit-log/classes/AlertManager.php(283): WSAL_AlertManager->Register(Array) #1 /nas/content/staging/sweetcannabis/wp-content/plugins/wp-security-audit-log/defaults.php(41): WSAL_AlertManager->RegisterGroup(Array) #2 /nas/content/staging/sweetcannabis/wp-content/plugins/wp-security-audit-log/defaults.php(564): load_include_custom_file(Object(WpSecurityAuditLog)) #3 [internal function]: wsaldefaults_wsal_init(Object(WpSecurityAuditLog)) #4 /nas/content/staging/sweetcannabis/wp-includes/class-wp-hook.php(286): call_user_func_array(‘wsaldefaults_ws…’, Array) #5 /nas/content/staging/sweetcannabis/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #6 /nas/content/staging/sweetcannabis/wp-includes/plugin.php(453): WP_Hook->do_action(Array in /nas/content/staging/sweetcannabis/wp-content/plugins/wp-security-audit-log/classes/AlertManager.php on line 261