🛠️ FAQ & Troubleshooting

A support hub with answers to common technical and operational questions you may encounter while using MHM Rentiva.

TECHNICAL SUPPORT

Browse the categorized guides below to find a solution. Most issues can be resolved with a simple settings change.

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🆘 General Issues

Solutions for error messages, post-installation gaps, and fundamental operational problems.

View Solutions

📧 Email Problems

Undelivered emails, SMTP configuration, and email template rendering issues.

Email Guide

💳 Payment Errors

WooCommerce payment gateway conflicts and callback/webhook validation failures.

Payment Issues

⚡ Speed & Cache

Dynamic calendars stuck in cache and SQL performance optimization questions.

Performance Guide

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Section Summary

• These guides are distilled from the experience of the MHM Rentiva support team across thousands of support tickets.
• If your issue is not covered here, use the System Diagnosis tool in the developer panel.

Changelog

Date	Version	Note
23.04.2026	4.27.2	English translation added.
19.03.2026	4.21.2	Overview page with premium card design created for FAQ category.