loading empty samples is not done anymore

src/nodes/node_conf.rs

@@ -308,18 +308,23 @@ impl NodeConfigurator {
         if param.is_atom() {
             let at =
                 if let SAtom::AudioSample((path, None)) = at.clone() {
+                    if path.len() > 0 {
                         match self.sample_lib.load(&path) {
                             Ok(sample) => sample.clone(),
                             Err(e) => {
                                 self.errors.push(
                                     format!(
-                                    "Couldn't load sample '{}': {:?}",
+                                        "Sample Loading Error\n\
+                                        Couldn't load sample '{}':\n{:?}",
                                         path, e));
                                 at
                             },
                         }
                     } else {
                         at
+                    }
+                } else {
+                    at
                 };
 
             self.atom_values.insert(param, at.clone());