Ticket #8528: 8528.patch

src/bp-templates/bp-nouveau/includes/functions.php

@@ -1552 +1552 @@
  * @since 9.0.0
  */
 function bp_nouveau_unregister_blocks_for_post_context() {
-        unregister_block_type( 'bp/primary-nav' );
+        if ( ! function_exists( 'unregister_block_type' ) ) {
+                return;
+        }
+
+        $is_registered = WP_Block_Type_Registry::get_instance()->is_registered( 'bp/primary-nav' );
+
+        if ( $is_registered ) {
+                unregister_block_type( 'bp/primary-nav' );
+        }
 }
 add_action( 'load-post.php', 'bp_nouveau_unregister_blocks_for_post_context' );
 add_action( 'load-post-new.php', 'bp_nouveau_unregister_blocks_for_post_context' );