Removed wrong echo

knowledge-space.php

@@ -27,7 +27,6 @@ function ks_add_graph($atts = []): string
     wp_localize_script("ks-display-js", "space", array('id' => $space_id));
     wp_localize_script("ks-display-js", "plugin", array('path' => $plugin_dir));
 
-    echo $div . $variables;
     return $div . $variables;
     // return $div . $variables . $script;
 }