Validation errors occurred. Please confirm the fields and submit again

http://polymerohio.org/polymerohio/service-provider-application/ when completing this form, I get the message “Validation errors occurred. Please confirm the fields and submit again.”
I typed in every piece of information accurately.
Below is the form:

<p>Organization Name
[text* Organization placeholder “Organization Name”]</p>

<p>Organization Website
[url OrganizationWebsite placeholder “Organization URL”]</p>

<p>Primary Contact
[text* PrimaryContact placeholder “Primary Contact”]</p>

<p>Title
[text Title placeholder "Title"]</p>

<p>City
[text* City placeholder “City”]</p>

<p>State
[text* State placeholder “State”]</p>

<p>Postal code
[text PostalCode placeholder "Postal Code"]</p>

<p>Primary Contact Email
[email Email placeholder “Primary Contact Email”]</p>

<p>Phone Number
[tel Phone placeholder “Phone”]</p>

<p>Number of Employees at This Location
[text NumberEmployees placeholder "Number of Employees"]</p>

<p>Please indicate the service area(s) of expertise
[checkbox* ServiceArea “Growth Services” “Process Improvement Services” “Sustainability” “Workforce Development” “Supply Chain”]</p>

<p>Clearly state your value proposition (750 char limit)
[text* ValueProp 600/750 placeholder “Value Proposition”]</p>

<p>Attach any PDF Document (6M Limit)
[file FileUpload limit:6000000 filetypes:pdf]</p>

<p>[submit “Send”]</p>

https://wordpress.org/plugins/contact-form-7/