removed very hard verification for session parameter
Revert "removed very hard verification for session parameter"

This reverts commit 4f097bcb306e4a96c4e4d4c76980f2317b1e885b.
Revert "Revert "removed very hard verification for session parameter""

This reverts commit 2304de1bb52c299e1d47e86c347fbe1c94012385.
Revert "Revert "Revert "removed very hard verification for session parameter"""

This reverts commit eb53b75fdf3c08542a5287cb10d2726ab3c58ab5.
Revert "Revert "Revert "Revert "removed very hard verification for session parameter""""

This reverts commit 0fb084104aeeba775efefe5bcc07e563e4a913af.