Cannot modify header information
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Hello,
we have the following error when creating a new job.
Warning: Invalid argument supplied for foreach() in /homepages/1/d551067152/htdocs/xxx/wordpress/wp-content/plugins/simple-job-board/admin/meta-boxes/class-simple-job-board-meta-box-job-features.php on line 158 Warning: Cannot modify header information - headers already sent by (output started at /homepages/1/d551067152/htdocs/xxx/wordpress/wp-content/plugins/simple-job-board/admin/meta-boxes/class-simple-job-board-meta-box-job-features.php:158) in /homepages/1/d551067152/htdocs/xxx/wordpress/wp-admin/post.php on line 222 Warning: Cannot modify header information - headers already sent by (output started at /homepages/1/d551067152/htdocs/xxx/wordpress/wp-content/plugins/simple-job-board/admin/meta-boxes/class-simple-job-board-meta-box-job-features.php:158) in /homepages/1/d551067152/htdocs/xxx/wordpress/wp-includes/pluggable.php on line 1251 Warning: Cannot modify header information - headers already sent by (output started at /homepages/1/d551067152/htdocs/xxx/wordpress/wp-content/plugins/simple-job-board/admin/meta-boxes/class-simple-job-board-meta-box-job-features.php:158) in /homepages/1/d551067152/htdocs/xxx/wordpress/wp-includes/pluggable.php on line 1254
On other sites it is running. I’ve disabled all plugins but not the plugin “Classic Editor”. When the plugin “Classic Editor” is disabled it is working.
Wordpress-Version: On all versions
Simple Job Manager: 2.7.2, 2.7.4
Classic Editor: 1.5Some suggestions?
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