<br />
<b>Deprecated</b>:  Array and string offset access syntax with curly braces is deprecated in <b>/home/c/cp54240/public_html/bitrix/modules/main/classes/general/punycode.php</b> on line <b>575</b><br />
<pre>[RuntimeException] 
Could not start session because headers have already been sent. &quot;/home/c/cp54240/public_html/bitrix/modules/main/classes/general/punycode.php&quot;:575. (0)
/home/c/cp54240/public_html/bitrix/modules/main/lib/session/session.php:124
#0: Bitrix\Main\Session\Session-&gt;start()
	/home/c/cp54240/public_html/bitrix/modules/main/lib/session/kernelsessionproxy.php:52
#1: Bitrix\Main\Session\KernelSessionProxy-&gt;start()
	/home/c/cp54240/public_html/bitrix/modules/main/include.php:299
#2: require_once(string)
	/home/c/cp54240/public_html/bitrix/modules/main/include/prolog_before.php:14
#3: require_once(string)
	/home/c/cp54240/public_html/bitrix/modules/main/include/prolog.php:10
#4: require_once(string)
	/home/c/cp54240/public_html/bitrix/header.php:1
#5: require(string)
	/home/c/cp54240/live_management/public_html/training/index.php:2
#6: include_once(string)
	/home/c/cp54240/public_html/bitrix/modules/main/include/urlrewrite.php:159
#7: include_once(string)
	/home/c/cp54240/public_html/bitrix/urlrewrite.php:2
</pre>