Product Name: QNX Software Development Platform - Perpetual - Named User Developer License (ver. 7.1.0)
On x86-64-generic BSP
file path /lib/dll/mmr-mmf-routing.so
env path:
PATH=/sbin:/usr/sbin:/bin:/usr/bin:/proc/boot:/system/bin:/system/sbin:/system/usr/bin:/lib:/lib/dll:/lib/dll/mmedia
SHELL=/bin/sh
LD_LIBRARY_PATH=/proc/boot:/lib:/usr/lib:/lib/dll:/lib/dll/pci:/usr/lib/graphics/intel-drm:/system/lib:/lib/dll/mmedia

run command line:
#mkdir -p /pps/services/multimedia/renderer/
#slogger2
#mm-renderer -v -N 0 -e -f &

the error meaage:
slogger2 appears to have been restarted, performing cleanup...
# 59.354[6] Created directory /pps/services/multimedia/renderer/context?nopersist (555)
59.354[6] Created directory /pps/services/multimedia/renderer/component?nopersist (555)
59.357[5] Initializing "Single-track engine plugin" (mmr-track-engine.so)
59.357[5] Initialized "Single-track engine plugin" (mmr-track-engine.so)
59.360[2] Couldn't load mmr-mmf-routing.so (Library cannot be found)
59.360[5] Retiring "Single-track engine plugin" (mmr-track-engine.so)
59.360[5] Unloading "Single-track engine plugin" (mmr-track-engine.so)
59.360[1] mmr_connect: No such file or directory

Why? The mmr-mmf-routing.so couldn't load?