查看“报错排查”的源代码

'''FreePBX Asterisk 报错排查'''

1）系统升级后出现 retrieve_conf encountered an error 错误sng_mcu，解决办法
<pre>
Reload failed because retrieve_conf encountered an error: 255
When I click on More Info I get:
exit: 255
Unable to continue. Invalid argument supplied for foreach() in /var/www/html/admin/modules/sng_mcu/functions.inc/dialplan.php on line 57
如果不使用MCU模块，直接删除此模块。解决办法：rm -Rf /var/www/html/admin/modules/sng_mcu
</pre>

2) Reload failed because retrieve_conf encountered an error: 255, 报错日志：
<pre>
配置环境：
FreePBX 13.0.15
Asterisk 11.14.2
SHMZ release 6.5 (Final)
</pre>
<pre>
exit: 255
PHP Fatal error: Class 'DomDocument' not found in 
/var/www/html/admin/libraries/Composer/vendor/fguillot/picofeed/lib/PicoFeed/Parser/
XmlParser.php on line 143
Whoops\Exception\ErrorException: Class 'DomDocument' not found in file 
/var/www/html/admin/libraries/Composer/vendor/fguillot/picofeed/lib/PicoFeed/Parser/
XmlParser.php on line 143
Stack trace:
1. () 
/var/www/html/admin/libraries/Composer/vendor/fguillot/picofeed/lib/PicoFeed/Parser/
XmlParser.php:143
</pre>
解决办法，运行 yum install php-xml 安装支持包。