Error message when I try to import some data while others work

Hello, when I upload data, there is a problem with this two files (named 0) while with two others it works (named 2).

I hope I can get help, thank you.

abundance_mortality_0.csv (107.2 KB)
initialmetadata0.csv (4.0 KB)

abundance_mortality_2.csv (85.3 KB)
metadata2.csv (3.3 KB)