我想使用 制作海报beamerposter。我正在尝试编译这个例子来自包文档。
无需触碰任何东西，当我编译时example-style-I6dv.tex，我得到 75 个错误。我在项目目录中有和beamerposter.sty，beamerthemeI6dv.sty所以我不明白为什么这个例子不能顺利编译。
来自的错误示例beamerposter.sty：
./beamerposter.sty:0: You have requested, on input line 42, version`2006/11/18' of package xkeyval,but only version`2005/01/30 v2.0 package option processing (HA)'is available.
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Missing \begin{document}. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Missing number, treated as zero. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128:Undefined control sequence. \ExecuteOptionsX{size=a0,scale=1.0}
./beamerposter.sty:128: the input \ was incorrect and was ignored. on input line 128. the input \ was incorrect and was ignored.
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
./beamerposter.sty:129:Missing number, treated as zero. \ProcessOptionsX\relax
./beamerposter.sty:129:Undefined control sequence. \ProcessOptionsX\relax
该怎么办？