Problem with SSH Key in SFTP Communication
Description
When attempting to change the SSH key for SFTP communication, authentication issues occurred in iCore. The key worked correctly in WinSCP but not in iCore.
(The issue occurred in iCore version: 4.2.5.0)
Error message
When loading the private key in iCore, the following error was encountered:

sFTPReader1: Failed to load private key from file
Solution
The issue was resolved by using a private key in the "PPK file version 2" format instead.