diff --git a/schainpy/model/proc/jroproc_voltage.py b/schainpy/model/proc/jroproc_voltage.py
index b30b290..ef47c77 100644
--- a/schainpy/model/proc/jroproc_voltage.py
+++ b/schainpy/model/proc/jroproc_voltage.py
@@ -817,7 +817,7 @@ class ProfileSelector(Operation):
                 dataOut.profileIndex = dataOut.nProfiles - 1
             
             if rangeList != None:
-                raise ValueError, "Profile Selector: Not implemented for rangeList yet"
+                raise ValueError, "Profile Selector: Invalid argument rangeList. Not implemented for getByBlock yet"
             
             dataOut.flagNoData = False