Hello what would cause this issue?

JonathanLee

HTTP/1.1 500 Internal Server Error
Server: squid
Mime-Version: 1.0
Date: Thu, 18 Aug 2022 18:56:55 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3161
X-Squid-Error: ERR_ICAP_FAILURE 0
Vary: Accept-Language
Content-Language: en
X-Cache: MISS from proxy.pfsense.secure
X-Cache-Lookup: NONE from proxy.pfsense.secure:3128 #isnt this 3129???
Via: 1.1 proxy.pfsense.secure (squid)
Connection: close

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<meta type="copyright" content="Copyright (C) 1996-2022 The Squid Software Foundation and contributors">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>ERROR: The requested URL could not be retrieved</title>
<style type="text/css"><!--
/*

Copyright (C) 1996-2022 The Squid Software Foundation and contributors
Squid software is distributed under GPLv2+ license and includes
contributions from numerous individuals and organizations.
Please see the COPYING and CONTRIBUTORS files for details.
*/

/*
Stylesheet for Squid Error pages
Adapted from design by Free CSS Templates
http://www.freecsstemplates.org
Released for free under a Creative Commons Attribution 2.5 License
*/

/* Page basics */

{
font-family: verdana, sans-serif;
}

html body {
margin: 0;
padding: 0;
background: #efefef;
font-size: 12px;
color: #1e1e1e;
}

/* Page displayed title area */
#titles {
margin-left: 15px;
padding: 10px;
padding-left: 100px;
background: url('/squid-internal-static/icons/SN.png') no-repeat left;
}

/* initial title */
#titles h1 {
color: #000000;
}
#titles h2 {
color: #000000;
}

/* special event: FTP success page titles */
#titles ftpsuccess {
background-color:#00ff00;
width:100%;
}

/* Page displayed body content area */
#content {
padding: 10px;
background: #ffffff;
}

/* General text */
p {
}

/* error brief description */
#error p {
}

/* some data which may have caused the problem */
#data {
}

/* the error message received from the system or other software */
#sysmsg {
}

pre {
}

/* special event: FTP / Gopher directory listing */
#dirmsg {
font-family: courier, monospace;
color: black;
font-size: 10pt;
}
#dirlisting {
margin-left: 2%;
margin-right: 2%;
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#dirlisting tr.entry td.icon,td.filename,td.size,td.date {
border-bottom: groove;
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#dirlisting td.size {
width: 50px;
text-align: right;
padding-right: 5px;
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/* horizontal lines */
hr {
margin: 0;
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#footer {
font-size: 9px;
padding-left: 10px;
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body
:lang(fa) { direction: rtl; font-size: 100%; font-family: Tahoma, Roya, sans-serif; float: right; }
:lang(he) { direction: rtl; }
--></style>
</head><body id="ERR_ICAP_FAILURE">
<div id="titles">
<h1>ERROR</h1>
<h2>The requested URL could not be retrieved</h2>
</div>
<hr>

<div id="content">
<p>The following error was encountered while trying to retrieve the URL: <a href="cache_object://192.168.1.1/info">cache_object://192.168.1.1/info</a></p>

<blockquote id="error">
<p><b>ICAP protocol error.</b></p>
</blockquote>

<p id="sysmsg">The system returned: <i>[No Error]</i></p>

<p>This means that some aspect of the ICAP communication failed.</p>

<p>Some possible problems are:</p>
<ul>
<li><p>The ICAP server is not reachable.</p></li>
<li><p>An Illegal response was received from the ICAP server.</p></li>
</ul>

<hr>
<div id="footer">
<p>Generated Thu, 18 Aug 2022 18:56:55 GMT by proxy.pfsense.secure (squid)</p>

</div>
</body></html>
HTTP/1.1 500 Internal Server Error
Server: squid
Mime-Version: 1.0
Date: Thu, 18 Aug 2022 18:56:56 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3157
X-Squid-Error: ERR_ICAP_FAILURE 0
Vary: Accept-Language
Content-Language: en
X-Cache: MISS from proxy.pfsense.secure
X-Cache-Lookup: NONE from proxy.pfsense.secure:3128
Via: 1.1 proxy.pfsense.secure (squid)
Connection: close