diff --git a/crossechoTangoDev/Crossecho.py b/crossechoTangoDev/Crossecho.py
index 2fdbb617a6739bb34877ae21eecff48abb4e1386..17fb6c6d0a794b06d4287a2d84c9c646b25bbd10 100644
--- a/crossechoTangoDev/Crossecho.py
+++ b/crossechoTangoDev/Crossecho.py
@@ -25,6 +25,7 @@ from PyTango import AttrWriteType, PipeWriteType
 # PROTECTED REGION ID(Crossecho.additionnal_import) ENABLED START #
 from opcua import Client
 import numpy
+import traceback
 # PROTECTED REGION END #    //  Crossecho.additionnal_import
 
 __all__ = ["Crossecho", "main"]