Hi Vishnu,
By looking at your screen shot your SFTP adapter is less than SP03 patch level 06.
According to the note the fix is available from SP03 patch level 6, so you can download the latest SFTP adapter from service market place and deploy in PI server.
http://service.sap.com/swdc> Support Package and Patches > Browse our Download Catalog > SAP NetWeaver and complementary products > PI SFTP PGP ADDON > PI SFTP PGP ADDON 1.0-->Comprised Software Component Versions->SFTP ADAPTER 1.0-># OS independent
Download SP04 from the list.
Check below document for more details.
How To Configure SFTP Adapter in SAP PI
Regards,
Praveen.