Keep getting 500 error

Hi,

I keep getting an Internal Server Error (500) response when trying to submit the form. I can’t see what I’m doing wrong, and to my knowledge am using all the correct details given by our CRM (Adestra). Please see the debug below. Any help would be fantastic.

Thanks.

**SUBMISSION**
Array
(
[timeout] => 10
[body] => Array
(
[first_name] => bobjones
[email] => bobby@testtest.co.uk
[_account_id] => 1340
[_table_id] => 1
[_dedupe] => 1
[_email_field] => bobby@testtest.co.uk
[_static_update] => 1
)

)

**RAW RESPONSE**
Array
(
[headers] => Requests_Utility_CaseInsensitiveDictionary Object
(
[data:protected] => Array
(
[content-type] => text/plain
[accept-ranges] => bytes
[date] => Wed, 11 Apr 2018 10:19:30 GMT
[content-length] => 21
)

)

[body] => Internal Server Error
[response] => Array
(
[code] => 500
[message] => Internal Server Error
)

[cookies] => Array
(
)

[filename] =>
[http_response] => WP_HTTP_Requests_Response Object
(
[response:protected] => Requests_Response Object
(
[body] => Internal Server Error
[raw] => HTTP/1.1 500 Internal Server Error
Content-Type: text/plain
Accept-Ranges: bytes
Date: Wed, 11 Apr 2018 10:19:30 GMT
Connection: close
Content-Length: 21

Internal Server Error
[headers] => Requests_Response_Headers Object
(
[data:protected] => Array
(
[content-type] => Array
(
[0] => text/plain
)

[accept-ranges] => Array
(
[0] => bytes
)

[date] => Array
(
[0] => Wed, 11 Apr 2018 10:19:30 GMT
)

[content-length] => Array
(
[0] => 21
)

)

)

[status_code] => 500
[protocol_version] => 1.1
[success] =>
[redirects] => 0
[url] => Requests_IRI Object
(
[scheme:protected] => http
[iuserinfo:protected] =>
[ihost:protected] => domain.msgfocus.com
[port:protected] =>
[ipath:protected] => /s/
[iquery:protected] =>
[ifragment:protected] =>
[normalization:protected] => Array
(
[acap] => Array
(
[port] => 674
)

[dict] => Array
(
[port] => 2628
)

[file] => Array
(
[ihost] => localhost
)

[http] => Array
(
[port] => 80
)

[https] => Array
(
[port] => 443
)

)

)

[history] => Array
(
)

[cookies] => Requests_Cookie_Jar Object
(
[cookies:protected] => Array
(
)

)

)

[filename:protected] =>
[data] =>
[headers] =>
[status] =>
)

[safe_message] => physical request failure
)