Error:Assert failed:in file stringrenderer.cpp, line 546

[chadme...@gmail.com]

I got an error when running the following command:

training/tesstrain.sh --fonts_dir /usr/share/fonts --lang chi_sim --linedata_only   

--noextract_font_properties --langdata_dir langdata   

--tessdata_dir tessdata   --fontlist "AR PL UKai CN" 

--output_dir /home/chad/tesseract40/tesstutorial/chi_sim_test/chi_sim_0004X   -

-training_text  /home/chad/tesseract40/files/chi_sim_0004X.txt

Error detail:

=== Starting training for language 'chi_sim'

[2018年 01月 31日 星期三 03:54:16 CST] /usr/local/bin/text2image --fonts_dir=/usr/share/fonts 

--font=AR PL UKai CN --outputbase=/tmp/font_tmp.JoNjc7bJC4/sample_text.txt 

--text=/tmp/font_tmp.JoNjc7bJC4/sample_text.txt --fontconfig_tmpdir=/tmp/font_tmp.JoNjc7bJC4

Rendered page 0 to file /tmp/font_tmp.JoNjc7bJC4/sample_text.txt.tif

=== Phase I: Generating training images ===

Rendering using AR PL UKai CN

[2018年 01月 31日 星期三 03:54:30 CST] /usr/local/bin/text2image --fontconfig_tmpdir=/tmp/font_tmp.JoNjc7bJC4 --fonts_dir=/usr/share/fonts 

--strip_unrenderable_words --leading=32 --char_spacing=0.0 --exposure=0 --outputbase=/tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0 

--max_pages=1000 --font=AR PL UKai CN --text=/home/chad/tesseract40/files/chi_sim_0004X.txt

Rendered page 0 to file /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.tif

Rendered page 1 to file /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.tif

Rendered page 2 to file /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.tif

Rendered page 3 to file /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.tif

Rendered page 4 to file /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.tif

cluster_text.size() == start_byte_to_box.size():Error:Assert failed:in file stringrenderer.cpp, line 546

ERROR: /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.box does not exist or is not readable

ERROR: /tmp/tmp.vOCQupVasn/chi_sim/chi_sim.AR_PL_UKai_CN.exp0.box does not exist or is not readable

version is 4.0

How can i fix this?