Traceback (most recent call last):
  File "backtester_core_v0.py", line 100, in <module>
    main()
  File "backtester_core_v0.py", line 25, in main
    dfs, all_times = load_cache(cfg["cache_db"])
  File "/var/www/vps2.happyuser.info/top/top_1/obw_platform/engine/data.py", line 24, in load_cache
    raise RuntimeError("No tables in cache DB")
RuntimeError: No tables in cache DB