> For the complete documentation index, see [llms.txt](https://docs.feedotter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.feedotter.com/integrations/marketo/troubleshooting/marketo-error-invalid-request.-please-check-and-try-again..md).

# Marketo Error: Invalid request. Please check and try again.

**Modules Affected:**

* Automated
* Curated
* SendNow

**Causes:**

* Marketo workspaces is not setup correctly. If your Marketo account is using Workspaces ensure FeedOtter is properly configured to create assets in them correctly.
* Trying to publish a curated newsletter to a Default(brown) Program with name starting with number e.g. "06 - June Monthly Newsletter" fails but "June Monthly Newsletter" works.