Bug: Toolbar ErrorException Division by zero

[maddrid]

CI_ENVIRONMENT development
Describe the bug
refreshing the index page multiple times or entering the same page (index )multiple times throw
ErrorException Division by zero
also toolbar doesn't show even when index page displayed correctly

CRITICAL - 2019-10-16 17:29:28 --> Division by zero
#0 N:\a\htdocs\ci\system\Debug\Toolbar.php(121): CodeIgniter\Debug\Exceptions->errorHandler(2, 'Division by zer...', 'N:\\a\\htdocs\\ci\\...', 121, Array)
#1 N:\a\htdocs\ci\system\Debug\Toolbar.php(352): CodeIgniter\Debug\Toolbar->run(1571264968.053, 0, Object(CodeIgniter\HTTP\IncomingRequest), Object(CodeIgniter\HTTP\Response))
#2 N:\a\htdocs\ci\system\Filters\DebugToolbar.php(74): CodeIgniter\Debug\Toolbar->prepare(Object(CodeIgniter\HTTP\IncomingRequest), Object(CodeIgniter\HTTP\Response))
#3 N:\a\htdocs\ci\system\Filters\Filters.php(187): CodeIgniter\Filters\DebugToolbar->after(Object(CodeIgniter\HTTP\IncomingRequest), Object(CodeIgniter\HTTP\Response))
#4 N:\a\htdocs\ci\system\CodeIgniter.php(355): CodeIgniter\Filters\Filters->run('/', 'after')
#5 N:\a\htdocs\ci\system\CodeIgniter.php(245): CodeIgniter\CodeIgniter->handleRequest(NULL, Object(Config\Cache), false)
#6 N:\a\htdocs\ci\public\index.php(45): CodeIgniter\CodeIgniter->run()
#7 {main}

CodeIgniter 4 version
latest

Context
XAMPP for Windows 7.3.7
Apache/2.4.39 (Win64) OpenSSL/1.1.1c PHP/7.3.7
Windows NT PC 6.1 build 7601 (Windows 7 Ultimate Edition Service Pack 1) AMD64
PHP Version 7.3.7
and REQUEST_URI as the protocol.

[julesbl]

Tried reproducing this under spark server, seems to work without a problem bar displayed, no division by zero, so probably something in Windows or Apache.

My system

CodeIgniter Version:	4.0.0-rc.3
PHP Version:	7.3.10-1+ubuntu16.04.1+deb.sury.org+1
PHP SAPI:	cli-server
Environment:	development
Base URL:	http://localhost:8080
TimeZone:	America/Chicago
Locale:	en
Content Security Policy Enabled:	No

[lonnieezell]

Cannot recreate. If someone else can feel free to reopen with more details.