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Error while copying from upfile/OLD/sekoutaisyou.csv to upfile/model_making/sekoutaisyou.csv

Name	Size	Modified	Perms	Owner
..
.model_making.php	3.61 KiB	19.08.26 23:02	0644	www-data:www-data
block.csv	3.7 KiB	25.02.22 08:32	0644	www-data:www-data
blocktime.csv	412 B	21.04.23 08:45	0644	www-data:www-data
Burge.csv	39 B	16.05.23 04:27	0644	www-data:www-data
case01innishi.csv	8.72 KiB	16.06.22 03:19	0644	www-data:www-data
diver01_7columns.csv	1.06 KiB	03.03.22 05:36	0644	www-data:www-data
moveblock.csv	3.48 KiB	21.02.23 10:02	0644	www-data:www-data
sim_flag.txt	1 B	07.07.23 12:22	0644	www-data:www-data
udp3_20221003.php	1.73 KiB	28.09.22 09:18	0644	www-data:www-data
Full size: 22.74 KiB, files: 9, folders: 0