Why do I get the message "sorry, only one entry is allowed" upon submission

Hello,

Here are some previous answers on the same topic. You can view them in the links bellow:

https://www.jotform.com/answers/893707-Keep-getting-this-error-Sorry-Only-one-entry-is-allowed

https://www.jotform.com/answers/836493-Getting-error-Sorry-Only-one-entry-is-allowed-

https://www.jotform.com/answers/1165266-Getting-error-on-form-submission-Sorry-Only-one-entry-is-allowed

Let us know if this is what you were looking for.