diff --git a/includes/core/class-account.php b/includes/core/class-account.php
index de307f8d..ac2ceda9 100644
--- a/includes/core/class-account.php
+++ b/includes/core/class-account.php
@@ -15,6 +15,9 @@ if ( ! class_exists( 'um\core\Account' ) ) {
 	 */
 	class Account {
 
+		/**
+		 * @var boolean
+		 */
 		public $account_exist = false;
 
 		/**
diff --git a/includes/core/class-blocks.php b/includes/core/class-blocks.php
index cd6b33a3..ce3ed1cb 100644
--- a/includes/core/class-blocks.php
+++ b/includes/core/class-blocks.php
@@ -167,11 +167,15 @@ if ( ! class_exists( 'um\core\Blocks' ) ) {
 		 */
 		public function forms_render( $atts ) {
 			if ( isset( $atts['form_id'] ) && '' !== $atts['form_id'] ) {
-				$mode = get_post_meta( $atts['form_id'], '_um_mode', true );
-				if ( 'profile' === $mode && ( um_is_core_page( 'account' ) || um_is_core_page( 'user' ) ) ) {
-					return '';
+				if ( um_is_core_page( 'account' ) ) {
+					if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
+						return '<div class="um-block-notice">' . esc_html__( 'This block cannot be used on this page', 'ultimate-member' ) . '</div>';
+					} else {
+						return '';
+					}
 				}
 			}
+
 			$shortcode = '[ultimatemember is_block="1"';
 
 			if ( isset( $atts['form_id'] ) && '' !== $atts['form_id'] ) {
diff --git a/includes/core/class-shortcodes.php b/includes/core/class-shortcodes.php
index f1b6bb78..30075de4 100644
--- a/includes/core/class-shortcodes.php
+++ b/includes/core/class-shortcodes.php
@@ -13,6 +13,11 @@ if ( ! class_exists( 'um\core\Shortcodes' ) ) {
 	 */
 	class Shortcodes {
 
+		/**
+		 * @var array
+		 */
+		public $forms_exist = array();
+
 		/**
 		 * @var string
 		 */
@@ -597,6 +602,14 @@ if ( ! class_exists( 'um\core\Shortcodes' ) ) {
 		 * @return string
 		 */
 		public function ultimatemember( $args = array() ) {
+			if ( isset( $args['form_id'] ) ) {
+				$id = $args['form_id'];
+				if ( isset( $this->forms_exist[ $id ] ) && true === $this->forms_exist[ $id ] ) {
+					return '';
+				}
+				$this->forms_exist[ $id ] = true;
+			}
+
 			return $this->load( $args );
 		}