The red exclamation mark warning means that the Messages app failed to deliver the message. The issue can stem from different things depending on the type of message you're trying to send.

When Snake gets spotted by an enemy, a red exclamation mark appears above the protagonist's head. Dragon's Dogma 2 is different from that, however.

A light appeared on the dashboard of my 2012 Kia Sedona looking like a red enclosed exclamation point with a circle around it. I looked it up in the manual and there is no explanation. Nothing is ...

Warning Exclamation Mark. A red exclamation mark icon appears as a notification in your Skype chat window if you have sent an instant message that failed to reach the intended recipient.

One warning light that needs immediate attention is a red circle with an exclamation mark. This symbol is the brake warning light and it's one of the most important symbols to know on your car's ...

How to fix a red exclamation mark on Apple Watch. Press and hold both the side button and Digital Crown for at least 10 seconds. Let go of both buttons when you see the Apple logo; ...