Backtest Details
Failed
Execution Error
Type: backtest_execution_error
Error Details:
2025-09-29 18:59:17,135 - freqtrade - INFO - freqtrade 2024.5
2025-09-29 18:59:17,162 - freqtrade.configuration.load_config - INFO - Using config: /freqtrade/user_data/config/config_backtest.json ...
2025-09-29 18:59:17,163 - freqtrade.loggers - INFO - Verbosity set to 0
2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Parameter -i/--timeframe detected ... Using timeframe: 15m ...
2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Using max_open_trades: 3 ...
2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Parameter --timerange detected: 20250402-20250929 ...
2025-09-29 18:59:17,183 - freqtrade.configuration.configuration - INFO - Using user-data directory: /freqtrade/user_data ...
2025-09-29 18:59:17,183 - freqtrade.configuration.configuration - INFO - Using data directory: /freqtrade/user_data/data/binance ...
2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Storing backtest results to /freqtrade/user_data/backtest_results/ce9ebb2685444a99.json ...
2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Overriding timeframe with Command line argument
2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Parameter --export detected: trades ...
2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Parameter --cache=day detected ...
2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Using pairs ['BTC/USDT']
2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Filter trades by timerange: 20250402-20250929
2025-09-29 18:59:17,185 - freqtrade.exchange.check_exchange - INFO - Checking exchange...
2025-09-29 18:59:17,208 - freqtrade.exchange.check_exchange - INFO - Exchange "binance" is officially supported by the Freqtrade development team.
2025-09-29 18:59:17,208 - freqtrade.configuration.config_validation - INFO - Validating configuration ...
2025-09-29 18:59:17,213 - freqtrade.commands.optimize_commands - INFO - Starting freqtrade in Backtesting mode
2025-09-29 18:59:17,214 - freqtrade.exchange.exchange - INFO - Instance is running with dry_run enabled
2025-09-29 18:59:17,214 - freqtrade.exchange.exchange - INFO - Using CCXT 4.3.35
2025-09-29 18:59:17,262 - freqtrade.exchange.exchange - INFO - Using Exchange "Binance"
2025-09-29 18:59:23,863 - freqtrade.resolvers.exchange_resolver - INFO - Using resolved exchange 'Binance'...
2025-09-29 18:59:24,347 - freqtrade - ERROR - Impossible to load Strategy 'sample_strategy'. This class does not exist or contains Python code errors.
Debug Information (click to expand)
{
"backtest_uuid": "ce9ebb2685444a99",
"error_message": "2025-09-29 18:59:17,135 - freqtrade - INFO - freqtrade 2024.5\n2025-09-29 18:59:17,162 - freqtrade.configuration.load_config - INFO - Using config: /freqtrade/user_data/config/config_backtest.json ...\n2025-09-29 18:59:17,163 - freqtrade.loggers - INFO - Verbosity set to 0\n2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Parameter -i/--timeframe detected ... Using timeframe: 15m ...\n2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Using max_open_trades: 3 ...\n2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Parameter --timerange detected: 20250402-20250929 ...\n2025-09-29 18:59:17,183 - freqtrade.configuration.configuration - INFO - Using user-data directory: /freqtrade/user_data ...\n2025-09-29 18:59:17,183 - freqtrade.configuration.configuration - INFO - Using data directory: /freqtrade/user_data/data/binance ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Storing backtest results to /freqtrade/user_data/backtest_results/ce9ebb2685444a99.json ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Overriding timeframe with Command line argument\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Parameter --export detected: trades ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Parameter --cache=day detected ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Using pairs [\u0027BTC/USDT\u0027]\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Filter trades by timerange: 20250402-20250929\n2025-09-29 18:59:17,185 - freqtrade.exchange.check_exchange - INFO - Checking exchange...\n2025-09-29 18:59:17,208 - freqtrade.exchange.check_exchange - INFO - Exchange \"binance\" is officially supported by the Freqtrade development team.\n2025-09-29 18:59:17,208 - freqtrade.configuration.config_validation - INFO - Validating configuration ...\n2025-09-29 18:59:17,213 - freqtrade.commands.optimize_commands - INFO - Starting freqtrade in Backtesting mode\n2025-09-29 18:59:17,214 - freqtrade.exchange.exchange - INFO - Instance is running with dry_run enabled\n2025-09-29 18:59:17,214 - freqtrade.exchange.exchange - INFO - Using CCXT 4.3.35\n2025-09-29 18:59:17,262 - freqtrade.exchange.exchange - INFO - Using Exchange \"Binance\"\n2025-09-29 18:59:23,863 - freqtrade.resolvers.exchange_resolver - INFO - Using resolved exchange \u0027Binance\u0027...\n2025-09-29 18:59:24,347 - freqtrade - ERROR - Impossible to load Strategy \u0027sample_strategy\u0027. This class does not exist or contains Python code errors.",
"error_type": "backtest_execution_error",
"metadata": {
"api_version": "2.1.0",
"completed_at": "2025-09-29T18:59:25.372182",
"created_at": "2025-09-29T18:59:08.781138",
"error_message": "2025-09-29 18:59:17,135 - freqtrade - INFO - freqtrade 2024.5\n2025-09-29 18:59:17,162 - freqtrade.configuration.load_config - INFO - Using config: /freqtrade/user_data/config/config_backtest.json ...\n2025-09-29 18:59:17,163 - freqtrade.loggers - INFO - Verbosity set to 0\n2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Parameter -i/--timeframe detected ... Using timeframe: 15m ...\n2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Using max_open_trades: 3 ...\n2025-09-29 18:59:17,164 - freqtrade.configuration.configuration - INFO - Parameter --timerange detected: 20250402-20250929 ...\n2025-09-29 18:59:17,183 - freqtrade.configuration.configuration - INFO - Using user-data directory: /freqtrade/user_data ...\n2025-09-29 18:59:17,183 - freqtrade.configuration.configuration - INFO - Using data directory: /freqtrade/user_data/data/binance ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Storing backtest results to /freqtrade/user_data/backtest_results/ce9ebb2685444a99.json ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Overriding timeframe with Command line argument\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Parameter --export detected: trades ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Parameter --cache=day detected ...\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Using pairs [\u0027BTC/USDT\u0027]\n2025-09-29 18:59:17,184 - freqtrade.configuration.configuration - INFO - Filter trades by timerange: 20250402-20250929\n2025-09-29 18:59:17,185 - freqtrade.exchange.check_exchange - INFO - Checking exchange...\n2025-09-29 18:59:17,208 - freqtrade.exchange.check_exchange - INFO - Exchange \"binance\" is officially supported by the Freqtrade development team.\n2025-09-29 18:59:17,208 - freqtrade.configuration.config_validation - INFO - Validating configuration ...\n2025-09-29 18:59:17,213 - freqtrade.commands.optimize_commands - INFO - Starting freqtrade in Backtesting mode\n2025-09-29 18:59:17,214 - freqtrade.exchange.exchange - INFO - Instance is running with dry_run enabled\n2025-09-29 18:59:17,214 - freqtrade.exchange.exchange - INFO - Using CCXT 4.3.35\n2025-09-29 18:59:17,262 - freqtrade.exchange.exchange - INFO - Using Exchange \"Binance\"\n2025-09-29 18:59:23,863 - freqtrade.resolvers.exchange_resolver - INFO - Using resolved exchange \u0027Binance\u0027...\n2025-09-29 18:59:24,347 - freqtrade - ERROR - Impossible to load Strategy \u0027sample_strategy\u0027. This class does not exist or contains Python code errors.",
"error_type": "backtest_execution_error",
"progress": 10.0,
"python_version": "3.12.3",
"server_time": "2025-12-13T06:39:11Z",
"started_at": "2025-09-29T18:59:08.781462",
"status": "failed",
"system": "Linux",
"updated_at": "2025-09-29T18:59:25.372160"
},
"request": {
"config": "/freqtrade/user_data/config/config_backtest.json",
"pairs": [
"BTC/USDT"
],
"strategy": "sample_strategy",
"timeframe": "15m",
"timerange": "20250402-20250929"
},
"result": null,
"status": "failed",
"trades": null
}