diff --git a/src/corelibs/config_handling/settings_loader.py b/src/corelibs/config_handling/settings_loader.py
index b4bd8ee..c407a0b 100644
--- a/src/corelibs/config_handling/settings_loader.py
+++ b/src/corelibs/config_handling/settings_loader.py
@@ -577,7 +577,7 @@ class SettingsLoader:
             self.log.logger.log(Log.get_log_level_int(level), msg, stacklevel=2)
         if self.log is None or self.always_print:
             if print_error:
-                print(msg)
+                print(f"[SettingsLoader] {msg}")
         if level == 'ERROR':
             # remove any prefix [!] for error message list
             self.__error_msg.append(msg.replace('[!] ', '').strip())
diff --git a/src/corelibs/logging_handling/log.py b/src/corelibs/logging_handling/log.py
index 319bd31..f0a5542 100644
--- a/src/corelibs/logging_handling/log.py
+++ b/src/corelibs/logging_handling/log.py
@@ -602,9 +602,9 @@ class Log(LogParent):
                 __setting = self.DEFAULT_LOG_SETTINGS.get(__log_entry, True)
             default_log_settings[__log_entry] = __setting
         # check console log type
-        default_log_settings['console_format_type'] = cast('ConsoleFormat', log_settings.get(
-            'console_format_type', self.DEFAULT_LOG_SETTINGS['console_format_type']
-        ))
+        if (console_format_type := log_settings.get('console_format_type')) is None:
+            console_format_type = self.DEFAULT_LOG_SETTINGS['console_format_type']
+        default_log_settings['console_format_type'] = cast('ConsoleFormat', console_format_type)
         # check log queue
         __setting = log_settings.get('log_queue', self.DEFAULT_LOG_SETTINGS['log_queue'])
         if __setting is not None:
diff --git a/test-run/logging_handling/log.py b/test-run/logging_handling/log.py
index 5f6b0f0..6379538 100644
--- a/test-run/logging_handling/log.py
+++ b/test-run/logging_handling/log.py
@@ -27,7 +27,8 @@ def main():
             "per_run_log": True,
             # "console_format_type": ConsoleFormatSettings.NONE,
             # "console_format_type": ConsoleFormatSettings.MINIMAL,
-            "console_format_type": ConsoleFormat.TIME_MICROSECONDS | ConsoleFormat.NAME | ConsoleFormat.LEVEL,
+            # "console_format_type": ConsoleFormat.TIME_MICROSECONDS | ConsoleFormat.NAME | ConsoleFormat.LEVEL,
+            "console_format_type": None,
             # "console_format_type": ConsoleFormat.NAME,
             # "console_format_type": (
             #     ConsoleFormat.TIME | ConsoleFormat.TIMEZONE | ConsoleFormat.LINENO | ConsoleFormat.LEVEL
diff --git a/tests/unit/logging_handling/log_testing/test_log_3_custom_console_formatter.py b/tests/unit/logging_handling/log_testing/test_log_3_custom_console_formatter.py
index cd68375..5f5a753 100644
--- a/tests/unit/logging_handling/log_testing/test_log_3_custom_console_formatter.py
+++ b/tests/unit/logging_handling/log_testing/test_log_3_custom_console_formatter.py
@@ -28,6 +28,7 @@ def tmp_log_path(tmp_path: Path) -> Path:
 @pytest.fixture
 def basic_log_settings() -> LogSettings:
     """Basic log settings for testing"""
+    # Return a new dict each time to avoid state pollution
     return {
         "log_level_console": LoggingLevel.WARNING,
         "log_level_file": LoggingLevel.DEBUG,
@@ -308,4 +309,54 @@ class TestUpdateConsoleFormatter:
         # Verify message was logged
         assert "Test warning message" in caplog.text
 
+    def test_log_console_format_option_set_to_none(
+        self, tmp_log_path: Path
+    ):
+        """Test that when log_console_format option is set to None, it uses ConsoleFormatSettings.ALL"""
+        # Save the original DEFAULT_LOG_SETTINGS to restore it after test
+        original_default = Log.DEFAULT_LOG_SETTINGS.copy()
+
+        try:
+            # Reset DEFAULT_LOG_SETTINGS to ensure clean state
+            Log.DEFAULT_LOG_SETTINGS = {
+                "log_level_console": Log.DEFAULT_LOG_LEVEL_CONSOLE,
+                "log_level_file": Log.DEFAULT_LOG_LEVEL_FILE,
+                "per_run_log": False,
+                "console_enabled": True,
+                "console_color_output_enabled": True,
+                "console_format_type": ConsoleFormatSettings.ALL,
+                "add_start_info": True,
+                "add_end_info": False,
+                "log_queue": None,
+            }
+
+            # Create a fresh settings dict with console_format_type explicitly set to None
+            settings: LogSettings = {
+                "log_level_console": LoggingLevel.WARNING,
+                "log_level_file": LoggingLevel.DEBUG,
+                "per_run_log": False,
+                "console_enabled": True,
+                "console_color_output_enabled": False,
+                "console_format_type": None,  # type: ignore
+                "add_start_info": False,
+                "add_end_info": False,
+                "log_queue": None,
+            }
+
+            # Verify that None is explicitly set in the input
+            assert settings['console_format_type'] is None
+
+            log = Log(
+                log_path=tmp_log_path,
+                log_name="test_log",
+                log_settings=settings
+            )
+
+            # Verify that None was replaced with ConsoleFormatSettings.ALL
+            # The Log class should replace None with the default value (ALL)
+            assert log.log_settings['console_format_type'] == ConsoleFormatSettings.ALL
+        finally:
+            # Restore original DEFAULT_LOG_SETTINGS
+            Log.DEFAULT_LOG_SETTINGS = original_default
+
 # __END__