Notices after first installing plugin

Seeing the following notice when using on WordPress 4.7.3 Notice: Constant PEK_CONTENT_SCHEDULER_VERSION already defined in path/to/site/wp-content/plugins/content-scheduler/content-scheduler-settings.php on line 8 Also seeing these on the settings page: Notice: Undefined index: def-hours in path/to/site/wp-content/plugins/content-scheduler/content-scheduler-settings.php on line 439 Notice: Undefined index: def-days in path/to/site/wp-content/plugins/content-scheduler/content-scheduler-settings.php on line 440 Notice: Undefined index: def-weeks in path/to/site/wp-content/plugins/content-scheduler/content-scheduler-settings.php on line 441 and Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘Content_Scheduler_Settings’ does not have a method ‘cs_view_cron_settings’ in path/to/site/wp-admin/includes/template.php on line 1343 After saving the settings page, those middle three Notices go away and this new one appears: Notice: Undefined index: version in path/to/site/wp-content/plugins/content-scheduler/content-scheduler-settings.php on line 670 This topic was modified 9 years, 2 months ago by mrwweb .