diff --git a/assets/js/gutenberg-plugin.js b/assets/js/gutenberg-plugin.js
index 2fe6800c2..8b1448222 100644
--- a/assets/js/gutenberg-plugin.js
+++ b/assets/js/gutenberg-plugin.js
@@ -153,45 +153,47 @@ const DistributorIcon = () => (
  * Add the Distributor panel to Gutenberg
  */
 const DistributorPlugin = () => {
-	// Ensure the user has proper permissions
-	if (
-		dtGutenberg.noPermissions &&
-		1 === parseInt( dtGutenberg.noPermissions )
-	) {
-		return null;
-	}
-
-	// eslint-disable-next-line no-shadow, react-hooks/rules-of-hooks -- permission checks are needed.
+	// eslint-disable-next-line no-shadow
 	const postType = useSelect( ( select ) =>
 		select( 'core/editor' ).getCurrentPostType()
 	);
 
-	// eslint-disable-next-line no-shadow, react-hooks/rules-of-hooks -- permission checks are needed.
+	// eslint-disable-next-line no-shadow
 	const postStatus = useSelect( ( select ) =>
 		select( 'core/editor' ).getCurrentPostAttribute( 'status' )
 	);
 
-	// Ensure we are on a supported post type
-	if (
-		dtGutenberg.supportedPostTypes &&
-		dtGutenberg.supportedPostTypes[ postType ] === undefined
-	) {
-		return null;
-	}
-
+	// eslint-disable-next-line @wordpress/no-unused-vars-before-return
 	const distributorTopMenu = document.querySelector(
 		'#wp-admin-bar-distributor'
 	);
 
-	// eslint-disable-next-line no-shadow, react-hooks/rules-of-hooks -- permission checks are needed.
+	// eslint-disable-next-line no-shadow
 	const post = useSelect( ( select ) =>
 		select( 'core/editor' ).getCurrentPost()
 	);
+
+	// Ensure the user has proper permissions.
+	if (
+		dtGutenberg.noPermissions &&
+		1 === parseInt( dtGutenberg.noPermissions )
+	) {
+		return null;
+	}
+
+	// Ensure we are on a supported post type.
+	if (
+		dtGutenberg.supportedPostTypes &&
+		dtGutenberg.supportedPostTypes[ postType ] === undefined
+	) {
+		return null;
+	}
+
 	// Make the post title and status available to the top menu.
 	dt.postTitle = post.title;
 	dt.postStatus = post.status;
 
-	// If we are on a non-supported post status, change what we show
+	// If we are on a non-supported post status, change what we show.
 	if (
 		dtGutenberg.supportedPostStati &&
 		! dtGutenberg.supportedPostStati.includes( postStatus )
diff --git a/includes/classes/DistributorPost.php b/includes/classes/DistributorPost.php
index 17d1d5eb3..fef6d0c18 100644
--- a/includes/classes/DistributorPost.php
+++ b/includes/classes/DistributorPost.php
@@ -748,7 +748,11 @@ protected function parse_blocks_for_attachment_id( $block ) {
 		}
 
 		if ( in_array( $block['blockName'], $block_names, true ) ) {
-			$media[] = $block['attrs'][ $media_blocks[ $block['blockName'] ] ];
+			$attribute_key = $media_blocks[ $block['blockName'] ];
+
+			if ( isset( $block['attrs'][ $attribute_key ] ) ) {
+				$media[] = $block['attrs'][ $attribute_key ];
+			}
 		}
 
 		return $media;
diff --git a/includes/rest-api.php b/includes/rest-api.php
index 5cc2b656e..cf7d914b1 100644
--- a/includes/rest-api.php
+++ b/includes/rest-api.php
@@ -586,12 +586,7 @@ function distributor_meta() {
  * Check user permissions for available post types
  */
 function check_post_types_permissions() {
-	$types = get_post_types(
-		array(
-			'show_in_rest' => true,
-		),
-		'objects'
-	);
+	$types = Utils\distributable_post_types( 'objects' );
 
 	$response = array(
 		'can_get'          => array(),
diff --git a/includes/utils.php b/includes/utils.php
index 1e53a57f9..607a07985 100644
--- a/includes/utils.php
+++ b/includes/utils.php
@@ -434,7 +434,13 @@ function excluded_meta() {
  */
 function prepare_meta( $post_id ) {
 	update_postmeta_cache( array( $post_id ) );
-	$meta          = get_post_meta( $post_id );
+	$meta = get_post_meta( $post_id );
+
+	if ( false === $meta ) {
+		return array();
+	}
+
+	$meta          = is_array( $meta ) ? $meta : array();
 	$prepared_meta = array();
 	$excluded_meta = excluded_meta();