9 Troubleshooting

Diagnose and resolve common licensing, update, rollback, synchronization and connectivity issues within GPLMart Updater PRO.

✓ License Diagnostics
✓ Update Troubleshooting
✓ Rollback Recovery Guidance
✓ REST API Error Resolution
✓ Performance Recommendations
What is Troubleshooting?
This guide helps identify and resolve the most common issues related to GPLMart Updater PRO, including license activation, update delivery, backups and server connectivity.

Step 1: Login & License Issues

Most activation and synchronization problems are caused by incorrect credentials, expired licenses or disconnected domains.
License Issues
Problem Solution
License Activation Failed Verify your registered email address and license key.
Product Shows Not Connected Open Manage License and click Connect This Website.
Wrong Domain Connected Disconnect the old domain and reconnect the correct website.
License Verification Failed Refresh account synchronization and verify license status.

Step 2: Updates Not Appearing

If available updates are not showing, refresh synchronization and verify product connectivity.
Updates Not Appearing
Problem Solution
No Updates Available Click Refresh Cache from the Dashboard.
Product Missing Re-sync your GPLMart account.
Wrong Version Displayed Clear cache and refresh product synchronization.
Update Badge Missing Check WordPress Updates page and refresh update data.
Important:
A valid and connected license is required before update notifications can appear.

Step 3: REST API & Connection Errors

Some hosting environments, firewalls and security plugins may block API communication between your website and GPLMart servers.
REST API Error
Error Recommended Solution
REST API Error Verify that the WordPress REST API is enabled.
cURL Error 28 Check hosting firewall settings and server connectivity.
API Request Failed Verify outbound connections are allowed by your host.
Product Sync Failed Refresh Cache and reconnect your GPLMart account.

Common GPLMart Error Reference

Error Meaning
License Verification Failed License could not be validated.
Product Sync Failed Unable to synchronize account products.
cURL Error 28 Server connection timeout.
REST API Error WordPress API communication problem.
Note:
Security plugins, firewalls and CDN services may block outgoing API requests.

Step 4: Rollback & Backup Issues

Rollback Protection requires backup snapshots to exist before updates are performed.
Problem Solution
Restore Backup Button Missing No backup snapshot exists for that product version.
Rollback Failed Verify backup integrity and server file permissions.
Backup Creation Failed Check available disk space and folder permissions.
Backup Download Failed Verify the backup file still exists in storage.
Important:
Rollback functionality is only available when a backup snapshot exists.

Step 5: Performance & General Diagnostics

Use the following checklist before contacting support.
Diagnostic Check Purpose
Refresh Cache Force product synchronization.
Verify License Status Confirm active update eligibility.
Review Update History Inspect recent update activity.
Check Hosting Firewall Ensure API requests are not blocked.
Update WordPress Maintain compatibility with updater features.
Before Contacting Support
  • Website URL
  • WordPress Version
  • PHP Version
  • GPLMart Updater Version
  • Screenshot of the issue
  • Complete error message (if available)
Troubleshooting Benefits
  • Faster issue diagnosis
  • Reduced downtime
  • Improved update reliability
  • Better rollback success rate
  • Faster support resolution
  • Improved system stability
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Last Updated: June 2026
GPLMart Updater Version: 8.0.9