Logging errors while submitting on ApplicationProvider. Addressing point of failure while submitting.

Signed-off-by: vgaltes <vicenc.garcia-altes@valtech.co.uk>
Unlock account log messages.

Signed-off-by: vgaltes <vicenc.garcia-altes@valtech.co.uk>
Improved logging in user unlock account. Improved behaviour when there is an unsuccessful user account unlock.