diff --git a/tools/js-class-c-struct-transpiler/transpile.js b/tools/js-class-c-struct-transpiler/transpile.js
index 8aafe92..38f57d2 100644
--- a/tools/js-class-c-struct-transpiler/transpile.js
+++ b/tools/js-class-c-struct-transpiler/transpile.js
@@ -154,6 +154,7 @@ for (const type of Object.keys(schema)) {
         cData += `\n\t\t${types[propType].c} ${prop};`;
         break;
       case "array":
+        throw new Error("Not Implemented!");
         break;
       default:
         break;