npm install module body-parser error error: Cannot find module'merge-descritptors'

This screen appeared when installing body-parser:
I then started running my own server and started to report the following error:
Then according to his instructions, I installed templates such as'merge-descriptors' one by one and kept me installing until:

Solution:

First let it become the situation when body-parser is not installed (I have a compressed package myself) If there is no compressed package, you can try to uninstall this first and
then execute the following command

cnpm install body-parser

The problem is solved

Self-motivation

This world is not in the hands of those who ridicule, but in the hands of those who can withstand ridicule and criticism and move forward.