File named 'decomp-util' missing but can't be downloaded when catkin build

[xiaolaji0426]

Hey, guys. I met a problem but no one else met. When I catkin build, here is my error :

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By not providing "Finddecomp_util.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "decomp_util", but CMake did not find one.

It seemed that I lacked some ROS package, then I tried to download by this "sudo apt-get install ros-noetic-decomp-util". But there is no such package, even on the ROS offical website. Help,pls...