Form not allowing multiple submissions

Sorry! Only one entry is allowed.

https://submit.jotformeu.com/submit/60920587256360/

why is this form not allowing me to submit ??

The error message you have shared only shows when you enable the unique submissions in your Form.

However, after checking your form this feature is not enabled.

Guide: How-to-Set-Unique-Submissions-on-a-Form

May we know if you form is embedded to a web page?

May we know if this is the correct form https://www.jotformeu.com/form/60920587256360?