在我在管理面板的设置菜单的集成选项中填写谷歌分析设置之前没有错误。当我在填写Google Analytics Setting后提交表单并转到Dashboard时,出现以下错误并且图表未显示在Dashboard中。
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: http_response_header
Filename: libraries/Analytics.php
Line Number: 424
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: http_response_header
Filename: libraries/Analytics.php
Line Number: 427
请帮我解决一下这个。