tax_input in wp_insert_post partly not working

I am inserting a publish by way of wp_insert_post() and within the $args the tax_input appears like this:

'tax_input' => array(
    "programmas" => 'Fashionable Household',
    "zenders" => 'ABC',
),

However what is going on: the “programmas” is appropriately inserted however the “zenders” isn’t. I am 100% positive that I’ve spelled these customized taxonomies appropriately. When operating the operate, a publish is appropriately inserted apart from the “zenders” half.

I’ve all of the capabilities, as a result of I’m the administrator and I’ve inserted my person id within the “post_author” half.