From 65a713a569ff166b983713beff6c66c9469a749a Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Sat, 7 Feb 2026 13:40:51 +0100
Subject: [PATCH] fix: don't break list-strategies if one strategy has invalid
 parameters

---
 freqtrade/commands/list_commands.py | 11 +++++++++--
 freqtrade/strategy/hyper.py         |  6 +++---
 tests/strategy/test_interface.py    |  8 ++++----
 3 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/freqtrade/commands/list_commands.py b/freqtrade/commands/list_commands.py
index 8fc592381..5ee6a8685 100644
--- a/freqtrade/commands/list_commands.py
+++ b/freqtrade/commands/list_commands.py
@@ -4,7 +4,7 @@ import sys
 from typing import Any
 
 from freqtrade.enums import RunMode
-from freqtrade.exceptions import ConfigurationError, OperationalException
+from freqtrade.exceptions import ConfigurationError, DependencyException, OperationalException
 
 
 logger = logging.getLogger(__name__)
@@ -166,7 +166,14 @@ def start_list_strategies(args: dict[str, Any]) -> None:
     strategy_objs = sorted(strategy_objs, key=lambda x: x["name"])
     for obj in strategy_objs:
         if obj["class"]:
-            obj["hyperoptable"] = detect_all_parameters(obj["class"])
+            try:
+                obj["hyperoptable"] = detect_all_parameters(obj["class"])
+            except DependencyException as e:
+                logger.warning(
+                    f"Cannot detect hyperoptable parameters for strategy {obj['name']}. Reason: {e}"
+                )
+                obj["hyperoptable"] = {}
+
         else:
             obj["hyperoptable"] = {}
 
diff --git a/freqtrade/strategy/hyper.py b/freqtrade/strategy/hyper.py
index f03358c5a..c6bffda77 100644
--- a/freqtrade/strategy/hyper.py
+++ b/freqtrade/strategy/hyper.py
@@ -9,7 +9,7 @@ from collections.abc import Iterator
 from pathlib import Path
 
 from freqtrade.constants import Config
-from freqtrade.exceptions import OperationalException
+from freqtrade.exceptions import DependencyException, OperationalException
 from freqtrade.misc import deep_merge_dicts
 from freqtrade.optimize.hyperopt_tools import HyperoptTools
 from freqtrade.strategy.parameters import BaseParameter
@@ -179,10 +179,10 @@ def detect_all_parameters(
                     attr.space = space
                     break
         if attr.space is None:
-            raise OperationalException(f"Cannot determine parameter space for {attr_name}.")
+            raise DependencyException(f"Cannot determine parameter space for {attr_name}.")
 
         if attr.space in ("all", "default") or attr.space.isidentifier() is False:
-            raise OperationalException(
+            raise DependencyException(
                 f"'{attr.space}' is not a valid space. Parameter: {attr_name}."
             )
         attr.name = attr_name
diff --git a/tests/strategy/test_interface.py b/tests/strategy/test_interface.py
index 5eb933f44..449440ec8 100644
--- a/tests/strategy/test_interface.py
+++ b/tests/strategy/test_interface.py
@@ -13,7 +13,7 @@ from freqtrade.constants import CUSTOM_TAG_MAX_LENGTH
 from freqtrade.data.dataprovider import DataProvider
 from freqtrade.data.history import load_data
 from freqtrade.enums import ExitCheckTuple, ExitType, SignalDirection
-from freqtrade.exceptions import OperationalException, StrategyError
+from freqtrade.exceptions import DependencyException, OperationalException, StrategyError
 from freqtrade.persistence import PairLocks, Trade
 from freqtrade.resolvers import StrategyResolver
 from freqtrade.strategy.hyper import detect_all_parameters
@@ -958,20 +958,20 @@ def test_auto_hyperopt_interface(default_conf):
     strategy.__class__.exit22_rsi = IntParameter([0, 10], default=5)
 
     with pytest.raises(
-        OperationalException, match=r"Cannot determine parameter space for exit22_rsi\."
+        DependencyException, match=r"Cannot determine parameter space for exit22_rsi\."
     ):
         detect_all_parameters(strategy.__class__)
 
     # Invalid parameter space
     strategy.__class__.exit22_rsi = IntParameter([0, 10], default=5, space="all")
     with pytest.raises(
-        OperationalException, match=r"'all' is not a valid space\. Parameter: exit22_rsi\."
+        DependencyException, match=r"'all' is not a valid space\. Parameter: exit22_rsi\."
     ):
         detect_all_parameters(strategy.__class__)
 
     strategy.__class__.exit22_rsi = IntParameter([0, 10], default=5, space="hello:world:22")
     with pytest.raises(
-        OperationalException,
+        DependencyException,
         match=r"'hello:world:22' is not a valid space\. Parameter: exit22_rsi\.",
     ):
         detect_all_parameters(strategy.__class__)