PTZ controller can move camera around except Preset list Disappear

Hi all,
I have speed dome camera DS-2AE4223TI-D, I use IVMS-4200, every think work fine as viewing live and playback and moving the camera to different direction. but I notice onece I view the camera, All the PTZ Preset get disappear from the PTZ Controller!!.
I am using latest IVMS-4200
Latest Firmware for DVR DS-7216HUHI-F2/s model analog connection
Firmware Version V3.4.92 Build 170809 , Encoding Version V5.0 Build 170320
I tried all protocol, I tried reverse v. of IVMS
error msg ...

PTZ controller can move camera around except Preset list Disappear