diff --git a/scripts/run_training_pipeline.ps1 b/scripts/run_training_pipeline.ps1
index f62f5b7..779de01 100644
--- a/scripts/run_training_pipeline.ps1
+++ b/scripts/run_training_pipeline.ps1
@@ -41,22 +41,33 @@ function Invoke-PythonStep {
     }
 }
 
-Write-Log "training pipeline started"
+try {
+    Write-Log "training pipeline started"
+    Write-Log "python resolved: $Python"
 
-$HolidayCheck = & $Python scripts\_is_trading_day.py 2>&1
-if ($LASTEXITCODE -ne 0) {
-    Write-Log "market closed - skipped ($HolidayCheck)"
-    exit 0
+    $HolidayCheck = & $Python scripts\_is_trading_day.py 2>&1
+    if ($LASTEXITCODE -ne 0) {
+        Write-Log "market closed - skipped ($HolidayCheck)"
+        exit 0
+    }
+    Write-Log "trading day check passed ($HolidayCheck)"
+
+    Invoke-PythonStep -Name "collecting daily market features" -StepArgs @("scripts\collect_daily_features.py") -Required $false
+
+    Invoke-PythonStep -Name "collecting KIS minute data" -StepArgs @("scripts\collect_minute_data.py", "--top", "30", "--real-quotes") -Required $false
+
+    Invoke-PythonStep -Name "exporting bot training dataset" -StepArgs @("scripts\export_training_dataset.py", "data\training_dataset.csv") -Required $true
+
+    Invoke-PythonStep -Name "building external training dataset" -StepArgs @("scripts\build_external_training_dataset.py", "--out", "data\external_training_dataset.csv", "--all-minutes") -Required $true
+
+    Invoke-PythonStep -Name "training model" -StepArgs @("scripts\train_ai_model.py") -Required $true
+
+    Write-Log "training pipeline finished"
+}
+catch {
+    Write-Log "training pipeline failed: $($_.Exception.Message)"
+    if ($_.ScriptStackTrace) {
+        Add-Content -Path $LogPath -Value $_.ScriptStackTrace -Encoding UTF8
+    }
+    throw
 }
-
-Invoke-PythonStep -Name "collecting daily market features" -StepArgs @("scripts\collect_daily_features.py") -Required $false
-
-Invoke-PythonStep -Name "collecting KIS minute data" -StepArgs @("scripts\collect_minute_data.py", "--top", "30", "--real-quotes") -Required $false
-
-Invoke-PythonStep -Name "exporting bot training dataset" -StepArgs @("scripts\export_training_dataset.py", "data\training_dataset.csv") -Required $true
-
-Invoke-PythonStep -Name "building external training dataset" -StepArgs @("scripts\build_external_training_dataset.py", "--out", "data\external_training_dataset.csv", "--all-minutes") -Required $true
-
-Invoke-PythonStep -Name "training model" -StepArgs @("scripts\train_ai_model.py") -Required $true
-
-Write-Log "training pipeline finished"