> ## Documentation Index
> Fetch the complete documentation index at: https://docs.skyfree.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Whatsapp message issues

This page covers common WhatsApp message delivery and rendering problems.

## Common issues

* Message sent but not delivered.
* Delivered but not read.
* Template messages failing while session messages work.
* Media messages failing because of file format or size.
* Wrong recipient or unsupported phone-number formatting.

## What to check

* Review message logs first.
* Confirm the channel is active and connected.
* Check whether the message used a template or session path.
* Verify phone number formatting and media constraints.