Thanks for your feedback. When i changed line 23 as per your advice the result is still the, where it return the below error:

D:\Test>call test_a.pl > samle.log
libssh2_scp_send_ex(ss->session, path, mode, size, mtime, atime) -> 0x
+1d049e4
Net::SSH2::Channel::DESTROY
Error at D:\Test\test_a.pl line 23.
Net::SSH2::SFTP::DESTROY
Net::SSH2::SFTP::DESTROY freeing session
Net::SSH2::DESTROY object 0x19c6e0c
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