All arguments must be non-empty character vectors or string scalars. Invalid path. The path must not contain a null character. Directory already exists. Unknown error occurred. {0} failed: GetLastError returned {1,number,integer}.\n {0} {0} could not be removed.\n {0} is not a directory.\n {0} is read-only or contains read-only objects.\n ''{0}'' already exists.\n ''{0}'' directory does not exist.\n