issue installing RM/COBOL on debian12 32 bit

We have RM installed on an older server and we are trying to update/upgrade the server so it was decided we would stand up a new server and install COBOL from scratch on it. the server its on currently is an old fedora build, and the new one is Debian 12 32bit. we have tried to install on ubuntu 20.4, fedora 40, and now debian 12 32 bit and every time it will run the install.sh file and say 

      RM/COBOL Installation

___________________________

(press system cancel key to abort)

Operating system detected:

and then just crash out to the terminal. would it be due to it being too old of a version of RM to work on the new system? or is it only good for one install? any ideas????? file systems are ext4.