diff --git a/node_modules/truffle/build/459.bundled.js b/node_modules/truffle/build/459.bundled.js
index a206402..72962d6 100644
--- a/node_modules/truffle/build/459.bundled.js
+++ b/node_modules/truffle/build/459.bundled.js
@@ -19843,16 +19843,23 @@ const reason = {
 
     if (isObject) {
       const data = res.error.data;
-      const hash = Object.keys(data)[0];
+      if (typeof data === "object") {
+        const hash = Object.keys(data)[0];
 
-      if (data[hash].return && data[hash].return.includes(errorStringHash)) {
-        try {
-          return web3.eth.abi.decodeParameter(
-            "string",
-            data[hash].return.slice(10)
-          );
-        } catch (_) {
-          return undefined;
+        if (data[hash].return && data[hash].return.includes(errorStringHash)) {
+          try {
+            return web3.eth.abi.decodeParameter(
+              "string",
+              data[hash].return.slice(10)
+            );
+          } catch (_) {
+            return undefined;
+          }
+        }  
+      }
+      else {
+        if (res.error.message) {
+          return res.error.message;
         }
       }
     } else if (isString && res.result.includes(errorStringHash)) {