diff --git a/lib/drawdxf.py b/lib/drawdxf.py
index b473cb2..2201121 100644
--- a/lib/drawdxf.py
+++ b/lib/drawdxf.py
@@ -411,9 +411,44 @@ def _create_cable_summary_sheet(ws, processed_data):
 
 def _create_error_sheets(wb, plines):
     """Erstellt die Arbeitsblätter für alle aufgetretenen Fehler."""
-    # (Diese Funktion bleibt unverändert, da sie keine der umbenannten Variablen verwendet)
-    # ... (Code wie zuvor)
-    pass # Platzhalter, der Code hier bleibt gleich
+    # Sheet: ERR-Equipment-Connection
+    if plines.errors_sensors or plines.errors_dists:
+        ws = wb.create_sheet("ERR-Equipment-Connection")
+        ws.append(["Type", "ID", "x", "y"])
+        ws.column_dimensions['A'].width = 20
+        for error in plines.errors_sensors:
+            ws.append(["Sensor / Actuator", error.name, int(error.coords.x), int(error.coords.y)])
+        for error in plines.errors_dists:
+            ws.append(["Subistributor", error.name, int(error.coords.x), int(error.coords.y)])
+
+    # Sheet: ERR-Routing
+    if plines.errors_routing:
+        ws = wb.create_sheet("ERR-Routing")
+        ws.append(["Subdistributor", "Sensor / Actuator", "Details"])
+        ws.column_dimensions['A'].width = 20
+        ws.column_dimensions['B'].width = 20
+        ws.column_dimensions['C'].width = 50
+        nicht_angebunden = {e.name for e in plines.errors_sensors + plines.errors_dists}
+        for error in plines.errors_routing:
+            uv, uv_nicht_angebunden = error.unterverteiler, error.unterverteiler in nicht_angebunden
+            if uv in plines.errors_dists_not_in_layout:
+                ws.append([uv, "-", "Distributor not found in given layout."])
+                continue
+            for sensor in error.sensoren:
+                sensor_nicht_angebunden = sensor in nicht_angebunden
+                if sensor_nicht_angebunden and uv_nicht_angebunden: grund = "Subdistributor and sensor / actuator not connected to racks"
+                elif sensor_nicht_angebunden: grund = "Sensor / actuator not connected to racks"
+                elif uv_nicht_angebunden: grund = "Subdistributor not connected to racks"
+                else: grund = "Failed routing (not caused by missing connection)"
+                ws.append([uv, sensor, grund])
+    
+    # Sheet: ERR-Attributes
+    if plines.errors_missing_attributes:
+        ws = wb.create_sheet("ERR-Attributes")
+        ws.append(["ID", "Error Detail"])
+        ws.column_dimensions['B'].width = 35
+        for sname, err_msg in plines.errors_missing_attributes.items():
+            ws.append([sname, err_msg])
 
 def _create_bom_workbook(outpath, processed_data, bezeichner_cfg):
     """Erstellt eine separate Excel-Arbeitsmappe für die Stückliste (BOM)."""