loadWorkbook method does not make workbook object

[RiceAndWheat]

Hello. When I tried to load my workbook into R, I met error message which I show below.

Expected Behavior

To load the workkbook in environment

Actual Behavior

wb_ex <- openxlsx::loadWorkbook("Daily Report_190503.xlsx") Error in substring(x[ind], so, eo) : invalid multibyte string at '<9d>€<20>怨좊뵓"/>'

Steps to Reproduce the Problem

(please attach an example xlsx file if possible)

1. install.package - openxlsx

2. load package - openxlsx

3. load workbook

sessionInfo()

• Session info ------------------------------------------------------------------------- setting value
  version R version 3.5.3 (2019-03-11) os Windows 10 x64
  system x86_64, mingw32
  ui RStudio
  language (EN)
  collate Korean_Korea.949
  ctype Korean_Korea.949
  tz Asia/Seoul
  date 2019-05-17

  • Version of openxlsx: 4.1.0
  • Version of R: R version 3.5.3 (2019-03-11)

[huxinwen65]

Hi, did you have any ideas?