Can't run server on an unprivileged LXC container

[Frew777]

Got a Debian 12 LXC container. It's unprivileged, nesting enabled. Trying to run iVentoy server bash iventoy.sh start got this error

2024/02/09 17:02:26.140 [PXE]  ==========================================================
2024/02/09 17:02:26.140 [PXE]  ##########################################################
2024/02/09 17:02:26.140 [PXE]  ##################### IVENTOY RUN ########################
2024/02/09 17:02:26.140 [PXE]  ##########################################################
2024/02/09 17:02:26.140 [PXE]  ==========================================================
2024/02/09 17:02:26.140 [UTIL] Failed to open file <./data/sys/class/dmi/id/product_uuid> errno:13
2024/02/09 17:02:26.140 [UTIL] read sys directory failed 1, errno:13
2024/02/09 17:02:26.140 [PXE]  ### iVentoy start failed. ###

I'm not the only one who has this problem. Following this, trying to start server with command bash iventoy.sh -A start. So, got same error.

Please, fix it.