$landing_page_templates = array(
array (
array (
‘param’ => ‘post_type’,
‘operator’ => ‘==’,
‘value’ => ‘page’,
),
array (
‘param’ => ‘page_template’,
‘operator’ => ‘!=’,
‘value’ => ‘template-no-header-image.php’,
),
),
);
add_theme_support( ‘flexible-content-location’, $landing_page_templates );
for futher steps visit this link.
see if that works and report.
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