> For the complete documentation index, see [llms.txt](https://guide.tiledesk.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.tiledesk.com/ai-chatbots-and-automation/visual-builder-101/avoid-dead-loops.md).
# Avoid dead loops
Sometimes you might see the message **MAX\_ACTIONS exceeded** in your AI workflow:
This error occurs when an infinite loop (without user interaction) is accidentally created between [Blocks](/ai-chatbots-and-automation/visual-builder-101/how-to-create-a-block.md):
The system limits the number of Actions that can run without user interaction. Each time the user interacts, the MAX\_ACTIONS counter is reset.
In some cases, a loop in the background is useful — for example, when polling a remote API until the required data is available. If you expect the loop to run many times, you can prevent the **MAX\_ACTIONS exceeded** error by adding a **Wait Action** with at least 1 second of delay inside the loop:
Keep in mind that any Flow without user interaction — including loops — can run for a maximum of 4 hours. After this time, the Flow will stop automatically at whatever step it has reached.
If you have questions about Tiledesk features feel free to send an email to [support@tiledesk.com ](mailto:support@tiledesk.com)or leave us a [feedback](https://feedback.tiledesk.com/feedback)
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