Problem
Mech-Center cannot be opened. When using the command line to open Mech-Center, Python reports an error: Unpickling Error: invalid load key, ‘\x00’.
Solution
Delete the files under the filepath: C:/Users//AppData/Local/Temp/gen_py/3.6
Prevention
This issue occurs infrequently. The prevention approach is to avoid abruptly cutting off power to the computer. You can try shutting down Mech-Center first and then turning off the computer, which may help prevent this occurrence.
The link below can serve as a reference for related issues: