diff --git a/devices/PCC.py b/devices/PCC.py
index f1d471da3781611d649e11c7a1fe76ed55ab618a..7893073c1baa033ef1e5c9a1f85965ae127dc30b 100644
--- a/devices/PCC.py
+++ b/devices/PCC.py
@@ -130,7 +130,10 @@ class PCC(hardware_device):
 
 		# map the attributes to the OPC ua comm client
 		for i in self.attr_list():
-			i.set_comm_client(self.OPCua_client)
+			try:
+				i.set_comm_client(self.OPCua_client)
+			except:
+				pass
 
 		self.OPCua_client.start()
 
diff --git a/devices/src/attribute_wrapper.py b/devices/src/attribute_wrapper.py
index daa33200611757b8d2698b5fc858761f025227f4..c1b185038853b9b833e35dd3487ae6ad7c4b461a 100644
--- a/devices/src/attribute_wrapper.py
+++ b/devices/src/attribute_wrapper.py
@@ -138,6 +138,4 @@ class attribute_wrapper(attribute):
 			self.read_function = pass_func
 			self.write_function = pass_func
 
-			# raise Exception("Exception while setting comm_client read/write functions. using pass function instead. %s") from e
-
-
+			raise Exception("Exception while setting comm_client read/write functions. using pass function instead. %s") from e