CENTOS 6.9 x86_64 kvm
Apache/2.4.27 (cPanel) OpenSSL/1.0.2k mod_bwlimited/1.4
PHP 5.4 (can activate php 7)
mysql  5.6.35

I tried and get the same error

@kvvaradha

also not working and the same error after doing that.

I deleted them and I get the same 3 errors

POST /gl/inquiry/journal_inquiry.php?JsHttpRequest=0-xml 403 (Forbidden)
load @ JsHttpRequest.js:108
JsHttpRequest.t.send @ JsHttpRequest.js:38
JsHttpRequest.query @ JsHttpRequest.js:86
JsHttpRequest._request @ utils.js:15
JsHttpRequest.request @ utils.js:6
e.onclick @ inserts.js:92
JsHttpRequest.js:56 Uncaught Error: JsHttpRequest: JavaScript code generated by backend is invalid!
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>403 Forbidden</title>
</head><body>
<h1>Forbidden</h1>
<p>You don't have permission to access /gl/inquiry/journal_inquiry.php
on this server.<br />
</p>
<p>Additionally, a 403 Forbidden
error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache/2.4.27 (cPanel) OpenSSL/1.0.2k mod_bwlimited/1.4 Server at Port 80</address>
</body></html>


    at JsHttpRequest.t._error (JsHttpRequest.js:56)
    at XMLHttpRequest.xr.onreadystatechange (JsHttpRequest.js:104)
JsHttpRequest.t._error @ JsHttpRequest.js:56
xr.onreadystatechange @ JsHttpRequest.js:104

Hello, apmuthu
Thanks for your respond.
I have tried this points but I still have the same problem

Please help me

Hello all,

I am running FA 2.3, it was working until I updated to Apache 2.4.
A am geting JS error:

JsHttpRequest.js:56 Uncaught Error: JsHttpRequest: JavaScript code generated by backend is invalid!
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>403 Forbidden</title>
</head><body>
<h1>Forbidden</h1>
<p>You don't have permission to access /gl/inquiry/gl_account_inquiry.php
on this server.<br />
</p>
<p>Additionally, a 403 Forbidden
error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache/2.4.27 (cPanel) OpenSSL/1.0.2k mod_bwlimited/1.4 Server at  Port 80</address>
</body></html>


    at JsHttpRequest.t._error (JsHttpRequest.js:56)
    at XMLHttpRequest.xr.onreadystatechange (JsHttpRequest.js:104)


I tried installing fresh FA 2.4 but it's having the same problem.

Please advice me