diff --git a/dev/schema-validate.js b/dev/schema-validate.js
index 1a69ca48..1b47be8b 100644
--- a/dev/schema-validate.js
+++ b/dev/schema-validate.js
@@ -41,9 +41,10 @@ class JsonSchemaAjv {
 
     validate(data) {
         if (this._validate(data)) { return; }
-        const {errors} = this._validate(data);
-        const message = errors.map((e) => e.toString()).join('\n');
-        throw new Error(message);
+        const {errors} = this._validate;
+        const error = new Error('Schema validation failed');
+        error.data = JSON.parse(JSON.stringify(errors));
+        throw error;
     }
 }