Merge pull request #4 from AScripnic/patch-1

Fix status 400 handle

Author: AlexanderC

src/error/api.js

@@ -33,7 +33,11 @@ class ApiError extends BaseError {
           const issues = [];
 
           for (const field in error.response.data) {
-            issues.push(`${ field } (${ error.response.data[field].join(', ') })`);
+            issues.push(`${ field } (${ 
+              Array.isArray(error.response.data[field])
+                ? error.response.data[field].join(', ')
+                : error.response.data[field]
+            })`);
           }
 
           msg = `Invalid payload data- ${ issues.join(', ') }`;