ROS error [rospack] Error: package ‘.....‘ not found

ROS uses rviz to report an error:

[rospack] Error: package 'neor_mini' not found[librospack]: error while executing command[ERROR] [1659492086.074876682, 69.903000000]: Could not load resource [package://neor_mini/meshes/base_link.STL]: Unable to open file "package://neor_mini/meshes/base_link.STL".

A package was not found for the following reasons:

1. The package name is wrong
2. The workspace really doesn't have this package
3. The ros workspace where the package is located is not in the ros environment

Under normal circumstances, there is no source, cd to the workspace directory, and souece it.

source devel/setup.bash