Settling on a data structure to balance compatibility

with not being wrong

app/imports/parser/parseTree/error.js

@@ -1,16 +1,16 @@
 const error = {
-  create({node, error}) {
+  create({ node, error }) {
     return {
       parseType: 'error',
       node,
       error,
     }
   },
-  compile(node, scope, context){
-    return {result: node, context};
+  compile(node, scope, context) {
+    return { result: node, context };
   },
-  toString(node){
-    return node.error.toString();
+  toString(node) {
+    return `${node.error.type} error: ${node.error.message}`;
   },
 }