Why does an error occur when starting debugging and how to deal with it?

Question

IntelliJ IDEA

Unexpected error (103) returned by AddToSystemClassLoaderSearch
Unable to add D:\��������\IntelliJ IDEA Community Edition 2019.1.2\lib\idea_rt.jar to system class path - the system class loader does not define the appendToClassPathForInstrumentation method or the method failed
FATAL ERROR in native method: processing of -javaagent failed, appending to system class path failed

Answer 1

1. Remove Cyrillic from paths.