So strange...
C:\OpenServer\domains\kwf-cms-demo>php bootstrap.php clear-cache
wrote offline bootstrap.php
<font size='1'><table class='xdebug-error xe-uncaught-exception' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Fatal error: Uncaught exception 'ErrorException' with message ' in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> ErrorException: include(): 1. h-&gt;opened_path=[C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Exception\Other.php] h-&gt;filename=[Kwf\Exception\Other.php]
in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
<tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
<tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0050</td><td bgcolor='#eeeeec' align='right'>157696</td><td bgcolor='#eeeeec'>Kwf_Debug::handleException( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Debug.php' bgcolor='#eeeeec'>..\Debug.php<b>:</b>0</td></tr>
<tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.0050</td><td bgcolor='#eeeeec' align='right'>158032</td><td bgcolor='#eeeeec'>Kwf_Loader::loadClass( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Debug.php' bgcolor='#eeeeec'>..\Debug.php<b>:</b>0</td></tr>
</table></font>
<br />
<font size='1'><table class='xdebug-error xe-uncaught-exception' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Fatal error: Uncaught exception 'ErrorException' with message ' in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> ErrorException: include(): 1. h-&gt;opened_path=[C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Exception\Other.php] h-&gt;filename=[Kwf\Exception\Other.php]
in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
<tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
<tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0070</td><td bgcolor='#eeeeec' align='right'>165224</td><td bgcolor='#eeeeec'>Kwf_Setup::shutDown( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Setup.php' bgcolor='#eeeeec'>..\Setup.php<b>:</b>0</td></tr>
<tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.0070</td><td bgcolor='#eeeeec' align='right'>168696</td><td bgcolor='#eeeeec'>Kwf_Debug::handleException( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Setup.php' bgcolor='#eeeeec'>..\Setup.php<b>:</b>127</td></tr> <tr><td bgcolor='#eeeeec' align='center'>3</td><td bgcolor='#eeeeec' align='center'>0.0070</td><td bgcolor='#eeeeec' align='right'>168904</td><td bgcolor='#eeeeec'>Kwf_Loader::loadClass( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Setup.php' bgcolor='#eeeeec'>..\Setup.php<b>:</b>0</td></tr>
</table></font>
OK (35ms)
<font size='1'><table class='xdebug-error xe-uncaught-exception' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Fatal error: Uncaught exception 'ErrorException' with message ' in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> ErrorException: include(): 1. h-&gt;opened_path=[C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Exception\Other.php] h-&gt;filename=[Kwf\Exception\Other.php]
in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
<tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
<tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0060</td><td bgcolor='#eeeeec' align='right'>157696</td><td bgcolor='#eeeeec'>Kwf_Debug::handleException( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Debug.php' bgcolor='#eeeeec'>..\Debug.php<b>:</b>0</td></tr>
<tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.0060</td><td bgcolor='#eeeeec' align='right'>158032</td><td bgcolor='#eeeeec'>Kwf_Loader::loadClass( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Debug.php' bgcolor='#eeeeec'>..\Debug.php<b>:</b>0</td></tr>
</table></font>
<br />
<font size='1'><table class='xdebug-error xe-uncaught-exception' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Fatal error: Uncaught exception 'ErrorException' with message ' in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> ErrorException: include(): 1. h-&gt;opened_path=[C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Exception\Other.php] h-&gt;filename=[Kwf\Exception\Other.php]
in C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Loader.php on line <i>47</i></th></tr>
<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
<tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
<tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0070</td><td bgcolor='#eeeeec' align='right'>165224</td><td bgcolor='#eeeeec'>Kwf_Setup::shutDown( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Setup.php' bgcolor='#eeeeec'>..\Setup.php<b>:</b>0</td></tr>
<tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.0080</td><td bgcolor='#eeeeec' align='right'>168696</td><td bgcolor='#eeeeec'>Kwf_Debug::handleException( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Setup.php' bgcolor='#eeeeec'>..\Setup.php<b>:</b>127</td></tr> <tr><td bgcolor='#eeeeec' align='center'>3</td><td bgcolor='#eeeeec' align='center'>0.0080</td><td bgcolor='#eeeeec' align='right'>168904</td><td bgcolor='#eeeeec'>Kwf_Loader::loadClass( )</td><td title='C:\OpenServer\domains\kwf-cms-demo\kwf-lib\Kwf\Setup.php' bgcolor='#eeeeec'>..\Setup.php<b>:</b>0</td></tr>
</table></font>
OK (29ms)
[ 3/19] clearing component............. OK (7ms)
[ 4/19] clearing events................ OK (1ms)
[ 5/19] clearing model................. OK (204ms)
[ 6/19] clearing simple................ OK (1012ms)
[ 7/19] clearing table................. OK (24ms)
[ 8/19] clearing cache_component....... OK (714ms)
[ 9/19] clearing cache_component_url... OK (34ms)
[10/19] clearing config................ OK (12ms)
[11/19] clearing setup................. OK (0ms)
[12/19] clearing trl................... OK (720ms)
[13/19] clearing assets................ OK (967ms)
[14/19] refreshing config.............. OK (74ms)
[15/19] refreshing setup............... OK (47ms)
[16/19] refreshing component........... OK (4922ms, 5.81MB)
[17/19] refreshing trl................. OK (0ms)
[18/19] refreshing assets.............. OK (51280ms, 10.11MB)
[19/19] refreshing events.............. OK (1471ms, 1.48MB)
restored bootstrap.php