[ZendTo] ZendTo Fatal error

[Mark J. Bobak]

Hi all,

I'm having a problem, when the system decides to display the ReCaptcha
screen, I click the "I am not a robot" check box, and then click 'Pickup
files', and I get an http 500 error.  In the
/var/log/apache2/ssl_error.log, I see:

[Thu Apr 16 08:49:52.408694 2020] [php7:error] [pid 4900] [client
24.127.144.109:50809] *PHP Fatal error:  Uncaught Error: Call to undefined
function ReCaptcha\\RequestMethod\\curl_init()* in
/opt/zendto/www/ReCaptcha/RequestMethod/Curl.php:42\nStack trace:\n#0
/opt/zendto/www/ReCaptcha/RequestMethod/CurlPost.php(68):
ReCaptcha\\RequestMethod\\Curl->init('https://www.goo...')\n#1
/opt/zendto/www/ReCaptcha/ReCaptcha.php(95):
ReCaptcha\\RequestMethod\\CurlPost->submit(Object(ReCaptcha\\RequestParameters))\n#2
/opt/zendto/www/pickup.php(146):
ReCaptcha\\ReCaptcha->verify('03AHaCkAah4gySe...', '24.127.144.109')\n#3
{main}\n  thrown in /opt/zendto/www/ReCaptcha/RequestMethod/Curl.php on
line 42

I'm really not a PHP guy at all.  Can someone offer a clue here?

Thanks,

-Mark
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