这意味着扩展名存在问题，请检查文件是否存在，清除缓存，禁用编译.检查var日志文件夹中是否有错误.

This means there is something wrong with the extension, Check if the files are there, clear the cache, disable compilation. check the var log folder for errors.

由马吕斯(Marius)回答

Answered by Marius