fix: improve logHandler error formatting and lodash version bump

Author: sunil-lakshman

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## ## [v1.29.2](https://github.com/contentstack/contentstack-management-javascript/tree/v1.29.2) (2026-04-06)
+
+- Fix
+  - Improve default `logHandler` error formatting when the error payload is a string (prevents blank "An error occurred due to ." messages during network/socket retry failures)
+- Enh
+  - Dependency update: bump `lodash` to `4.18.1` to address reported vulnerabilities
+
 ## [v1.29.1](https://github.com/contentstack/contentstack-management-javascript/tree/v1.29.1) (2026-03-23)
 
 - Fix

lib/contentstack.js

@@ -120,8 +120,10 @@ import { getContentstackEndpoint } from '@contentstack/utils'
  * @example //Set the `logHandler`
  * import * as contentstack from '@contentstack/management'
  * const client = contentstack.client({ logHandler: (level, data) => {
-      if (level === 'error' && data) {
-        const title = [data.name, data.message].filter((a) => a).join(' - ')
+      if (level === 'error' && data != null && data !== '') {
+        const title = typeof data === 'string'
+          ? data
+          : [data.name, data.message].filter((a) => a).join(' - ') || (data.code ? String(data.code) : 'request or network error')
         console.error(`An error occurred due to ${title}. Review the details and try again.`)
         return
       }

lib/core/contentstackHTTPClient.js

@@ -10,8 +10,19 @@ export default function contentstackHttpClient (options) {
     insecure: false,
     retryOnError: true,
     logHandler: (level, data) => {
-      if (level === 'error' && data) {
-        const title = [data.name, data.message].filter((a) => a).join(' - ')
+      if (level === 'error' && data != null && data !== '') {
+        let title
+        if (typeof data === 'string') {
+          title = data
+        } else {
+          title = [data.name, data.message].filter((a) => a).join(' - ')
+          if (!title && typeof data === 'object' && data.code) {
+            title = String(data.code)
+          }
+        }
+        if (!title) {
+          title = 'request or network error'
+        }
         console.error(ERROR_MESSAGES.ERROR_WITH_TITLE(title))
         return
       }