Getting the following error code in Bricks 1.9.4 when trying to update an existing popup template (in WordPress post editor, not in Bricks). The changes still get saved, though.
Fatal error: Uncaught Error: fwrite(): Argument #1 ($stream) must be of type resource, bool given
in [...]/wp-content/themes/bricks/includes/assets/files.php on line 453
Call stack:
fwrite()
wp-content/themes/bricks/includes/assets/files.php:453
Bricks\Assets_Files::generate_post_css_file()
wp-content/themes/bricks/includes/assets/files.php:157
Bricks\Assets_Files::save_post()
wp-includes/class-wp-hook.php:326
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-includes/post.php:4760
wp_insert_post()
wp-includes/post.php:4862
wp_update_post()
wp-admin/includes/post.php:453
edit_post()
wp-admin/post.php:227