fix.patch

diff --git a/classes/plugins/beaverbuilder.php b/classes/plugins/beaverbuilder.php
index af36c82..7f300e9 100644
--- a/classes/plugins/beaverbuilder.php
+++ b/classes/plugins/beaverbuilder.php
@@ -7,6 +7,13 @@

   function mfrh_beaver_builder( $post, $orig_image_url, $new_image_url ) {
     global $wpdb;
+    /**
+     * Validate urls before ommiting to the database!
+     */
+    if ( '' === $orig_image_url || '' === $new_image_url ) {
+      return false;
+    }
+
     $query = $wpdb->prepare( "UPDATE $wpdb->postmeta
       SET meta_value = REPLACE(meta_value, 's:%d:\"$orig_image_url', 's:%d:\"$new_image_url')
       WHERE meta_key = '_fl_builder_data'