Mailer Error: Could not instantiate mail function.

Question

I am using ChronoForms on both the live and development sites below. The development site will not send contact form messages despite the fact that the settings are the same as the live site.

Any suggestions/ideas on how to resolve this problem?

Mailer: PHP Mail (both sites)
PHP Version 5.6.25
URL: http://autumnofsarasota.com/newsites/aaa/contact.html

We are sending using the same FROM NAME and FROM EMAIL (noreply[at]autumnofsarasota[dot]com) on both sites. The TO and BCC are the same on both sites.

Debug Output:

Data Array

Array
(
[chronoform] => ContactUs
[event] => submit
[firstname] => Robert
[lastname] => Holzler
[phone] =>
[email] => [REMOVED FOR POST]
[community] => Autumn of Sarasota
[CareOptions] => I-Lite
[message] => This is a test of the contact form at [REMOVED FOR POST]
[button8] => Submit
[ContactUs] =>
[ip_address] => [REMOVED FOR POST]
)

Array
(
)

Errors

Array
(
)

Debug Info

Array
(
[0] => Array
(
[Email] => Array
(
[0] => An email with the details below could NOT be sent:
[1] => To:[REMOVED FOR POST]
[2] => Subject:Autumn Assisted Living Website Submission
[3] => From name:noreply[at]autumnofsarasota[dot]com
[4] => From email:noreply[at]autumnofsarasota[dot]com
[5] => CC:
[6] => BCC:webadmin[at]grapeinc[dot]com
[7] => Reply name:
[8] => Reply email:
[9] => Attachments:
[10] => Array
(
)

[11] => Body:
<table>
<tr><td>First Name</td><td>Robert</td></tr>
<tr><td>Last Name</td><td>Holzler</td></tr>
<tr><td>Phone</td><td></td></tr>
<tr><td>Email</td><td>webadmin[at]grapeinc[dot]com</td></tr>
<tr><td>Community</td><td>Autumn of Sarasota</td></tr>
<tr><td>Care Options</td><td>I-Lite</td></tr>
<tr><td>Message</td><td>This is a test of the contact form at [REMOVED FOR POST]</td></tr>
</table><br /><br />IP: [REMOVED FOR POST]
)

)

)