我是 Neos CMS 的新手。我根据本教程https://neutroncloud.in/docs/how-to-install-neos-cms-on-ubuntu/安装 Neos CMS 。我已经为安装它苦苦挣扎了 3 天。当我最终设置它时,我已经设置了所有内容。午餐后,它显示了这个错误
Call to undefined function GuzzleHttp\Psr7\str()
Exception Code 0
Exception Type Error
Thrown in File
Data/Temporary/Development/Cache/Code/Flow_Object_Classes/Neos_Fusion_FusionObjects_HttpR
esponseImplementation.php
Line 62
Original File
Packages/Application/Neos.Fusion/Classes/FusionObjects/HttpResponseImplementation.php
这是我的 neos ScreenShot内容站点的屏幕截图
请帮我 :)