Fatal error after trying to rename/group some components in STEP imported usd

Hello,
This bug occurs with some components of usd scene imported from STEP file.
When I try to perform rename/group/move operation to this component - program crashes with next output to terminal

2020-11-18 19:17:37 [387,349ms] [Fatal] [omni.usd] Used null prim
2020-11-18 19:17:37 [387,350ms] [Error] [omni.client.plugin]  Main: usd_plugin: Used null prim
2020-11-18 19:17:37 [387,350ms] [Error] [omni.client.plugin]  Main: usd_plugin: Fatal error in void pxrInternal_v0_19__pxrReserved__::Usd_IssueFatalPrimAccessError(const pxrInternal_v0_19__pxrReserved__::Usd_PrimData*)
/data/omni/_build/linux-x86_64/release/isaac-sim-headless.sh: line 4: 10290 Aborted                 (core dumped) "$SCRIPT_DIR/../../target-deps/kit_sdk_release/_build/linux-x86_64/release/omniverse-kit" --merge-config="$SCRIPT_DIR//experiences/isaac-sim-headless.json" --no-window $@

Eventually no crash report being generated for this, as well as i’m unable to find core dump.
Version of isaac-sim-headless is 2020.2.28133