> For the complete documentation index, see [llms.txt](https://zacx.gitbook.io/zacx-help-center/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zacx.gitbook.io/zacx-help-center/error-explanations/re-engagement-error-131047.md).

# Re-Engagement Error (#131047 )

WhatsApp throws an error whenever a message is sent when a message(not template) is sent to the customer in a free form format, outside of the service window.

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The above video contains:

1. Understanding Re Engagement Error in Zacx
2. Probable solutions to tackle this error