An error occurred: Creating worker failed

Just been approved for our app, but Cloudflare is returning a 500 error when we try to install it on a site with the following error;

Anyone else had this before?

Any help would be greatly appreciated.


Do you see anything in the console logs? Or from the Network tab of your developer tools can you see what the API response was? It could be that your Worker script has a syntax error.

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Hey Victoria,

Nothing in the console logs. The server response is the message “Creating worker failed”

Me and my time really feel this is a cloudflare issue as it returns a 500. If it was a user error surely it would be a 4xx?