西伯利亚CMS字符串无法解析为XML错误

Question

在安装过程中，我收到以下致命错误：

  

字符串不能解析为XML

以下是完整的错误详细信息：

<pre><code>
Error log: error__5bb776ef8beb2.log

Stack Trace:

Fatal Error: 
ArrayObject Object
(
  [storage:ArrayObject:private] => Array
    (
        [exception] => Exception Object
            (
                [message:protected] => String could not be parsed as XML
                [string:Exception:private] => 
                [code:protected] => 0
                [file:protected] => D:\Ampps\www\AppEasy\lib\Siberian\Layout.php
                [line:protected] => 541
                [trace:Exception:private] => Array
                    (
                        [0] => Array
                            (
                                [file] => D:\Ampps\www\AppEasy\lib\Siberian\Layout.php
                                [line] => 541
                                [function] => __construct
                                [class] => SimpleXMLElement
                                [type] => ->
                                [args] => Array
                                    (
                                        [0] => 
                                    )

                            )

                        [1] => Array
                            (
                                [file] => D:\Ampps\www\AppEasy\lib\Siberian\Layout.php
                                [line] => 71
                                [function] => _createXml
                                [class] => Siberian_Layout
                                [type] => ->
                                [args] => Array
                                    (
                                        [0] => 1
                                    )
</code></pre>

我该如何解决？
我正在使用Windows的WSL与ubuntu 16.04一起运行，而php 7.2在localhost:8000上运行本地PHP服务器。