I wish I saved the log file when we had this issue, so that I could send it to the enterprisedt support.
Our FTP server is: GlobalScape EFT Server v5.1.6. Recently, it is upgraded to v5.1.30
After the upgrade we started having the issue I have explained in the previous (above) postings.
We are using licensed edtftpj-pro Version: 1.5.4
Our works were badly affected by the issue and so, removed the FTP server upgrade and reinstalled the old version.
After that, file transactions start running smoothly without the said errors.
Could the problem be with the new version of our server? Or
Is it possible that the current edtftpj-pro version is not compatible with this new version of the server?
Thanks for your help.