[cmd] python3 backtester_dual_long_short_fast_pack_v2.py --cfg /var/www/vps2.happyuser.info/top/top_1/UI/data/runs/f961af32-fefa-430a-b22d-7e0ca2e38dc2/cfg_merged.yaml --limit-bars 500 --npz /var/www/vps2.happyuser.info/top/top_1/DB/ena_reconstructed_ohlcv_30s_feb2026.npz --plots /var/www/vps2.happyuser.info/top/top_1/UI/data/runs/f961af32-fefa-430a-b22d-7e0ca2e38dc2 --export-curves /var/www/vps2.happyuser.info/top/top_1/UI/data/runs/f961af32-fefa-430a-b22d-7e0ca2e38dc2/curves.csv
NPZ field 'symbols' was saved as a pickled object array with an incompatible NumPy version. Either upgrade NumPy in the venv to >=2,<3 or rebuild the NPZ with plain string symbols.