Not know which object you are using, I can only offer one suggestion: check your drawing scale/2D Detail Level setting -- if the setting is "Scale Sensitive", the handrail will not show at smaller scales -- "Custom" will display the symbol per the parameter settings.
MacBook Pro Apple M2 Max, 96 GB of RAM
AC27 US (5003) on Mac OS Ventura 13.6.2
Started on AC4.0 in 91/92/93; full-time user since AC8.1 in 2004