Curious only on Fridays

[gonzalo-davila-trading]

Something happens with the process on Fridays. This is a sample of MYM nrd files

Later csv files...

With this option empty

Regards

[eugeneilyin]

The converion code is not related to any day of week distinction.
Maybe some chars in file's content are unexpected, try keep half of the file, or file only to localize the issue.