Crash when inserting CD-ROM iso into empty drive using Windows 95 / 98 about dosbox-x HOT 4 OPEN

Mounts floppy, hard drive and optical disc images.
IMGMOUNT drive file [-ro] [-t floppy] [-fs fat] [-size ss,s,h,c]
IMGMOUNT drive file [-ro] [-t hdd] [-fs fat] [-size ss,s,h,c] [-ide controller]
IMGMOUNT driveNum file [-ro] [-fs none] [-size ss,s,h,c] [-reservecyl #]
IMGMOUNT drive file [-t iso] [-fs iso]
IMGMOUNT drive [-t floppy] -bootcd cdDrive (or -el-torito cdDrive)
IMGMOUNT drive -t ram -size size
IMGMOUNT -u drive|driveNum (or  IMGMOUNT drive|driveNum file [options] -u)
 drive               Drive letter to mount the image at.
 driveNum            Drive number to mount, where 0-1 are FDDs, 2-5 are HDDs.
 file                Image filename(s), or IMGMAKE.IMG if not specified.
 -t iso              Image type is optical disc iso or cue / bin image.
 -t hdd|floppy|ram   Image type is hard disk (inc. VHD/HDI)|floppy|RAM drive.
 -fs iso             Filesystem is ISO 9660 (auto-assumed for .iso/.cue files).
 -fs fat             Filesystem is FAT - FAT12, FAT16 and FAT32 are supported.
 -fs none            Do not detect filesystem (auto-assumed for drive numbers).
 -reservecyl #       Report # number of cylinders less than actual in BIOS.
 -ide controller     Specify IDE controller (1m, 1s, 2m, 2s) to mount drive.
 -size size|ss,s,h,c Specify the size in KB, or sector size and CHS geometry.
 -bootcd cdDrive     Specify the CD drive to load the bootable floppy from.
 -o partidx=#        Specify a hard disk partition number to mount as drive.
 -ro                 Mount image(s) read-only (or leading ':' for read-only).
 -u                  Unmount the drive or drive number.
 -examples           Show some usage examples.

[autoexec]
IMGMOUNT 0 empty -fs none -t floppy
IMGMOUNT 1 empty -fs none -t floppy -size 512,15,2,80
IMGMOUNT C /Users/me/dosbox-x/Win95.img -ide 1m
#IMGMOUNT D empty -t iso -ide 2m
IMGMOUNT D /Users/me/dosbox-x/HBG3.iso -t iso -ide 2m
BOOT C: