diff --git a/Sources/pyOpenRPA/Orchestrator/Processor.py b/Sources/pyOpenRPA/Orchestrator/Processor.py
index 9f99611c..19145583 100644
--- a/Sources/pyOpenRPA/Orchestrator/Processor.py
+++ b/Sources/pyOpenRPA/Orchestrator/Processor.py
@@ -69,4 +69,32 @@ def ActivityListExecute(inGSettings, inActivityList):
                 lResultList.append(e) # return the generated exception
     except Exception as e:
         if lL: lL.exception(f"pyOpenRPA Processor.ActivityListExecute: Exception when initialisation - All activity list will be ignored.")  # Logging
-    return lResultList # return the result list
\ No newline at end of file
+    return lResultList # return the result list
+
+def __ActivityListVerify__(inActivityList):
+    """
+    Verify ActivityList variable - raise exception if input list is not list of dict with structure:
+        #    "Def":"DefAliasTest", # def link or def alias (look gSettings["Processor"]["AliasDefDict"])
+        #    "ArgList":[1,2,3], # Args list
+        #    "ArgDict":{"ttt":1,"222":2,"dsd":3}, # Args dictionary
+        #    "ArgGSettings": None # Name of GSettings attribute: str (ArgDict) or index (for ArgList)
+        #    "ArgLogger": None # Name of GSettings attribute: str (ArgDict) or index (for ArgList)
+
+    :param inActivityList:
+    :return:
+    """
+    # CASE LIST
+    if type(inActivityList) is list:
+        for lItem in inActivityList:
+            # CASE LIST item is LIST
+            if type(lItem) is list:
+                raise Exception(f"pyOpenRPA Processor.__ActivityListVerify__: inActivityList has wrong structure! Details: Your ActivityList item is list too. List of the list :(")
+            # CASE Item is not dict
+            if type(lItem) is not dict:
+                raise Exception(f"pyOpenRPA Processor.__ActivityListVerify__: inActivityList has wrong structure! Details: Your ActivityList item is is not dict")
+            # CASE HAS NO "Def"
+            if "Def" not in lItem:
+                raise Exception(f"pyOpenRPA Processor.__ActivityListVerify__: inActivityList has wrong structure! Details: Activity item has no attribute 'Def'")
+    #CASE NOT LIST
+    else:
+        raise Exception(f"pyOpenRPA Processor.__ActivityListVerify__: inActivityList has wrong structure! Details: Your ActivityList is not a list.")
\ No newline at end of file
diff --git a/Sources/pyOpenRPA/Orchestrator/Web/Basic.py b/Sources/pyOpenRPA/Orchestrator/Web/Basic.py
index 366e56b4..cc39e082 100644
--- a/Sources/pyOpenRPA/Orchestrator/Web/Basic.py
+++ b/Sources/pyOpenRPA/Orchestrator/Web/Basic.py
@@ -1,5 +1,6 @@
 import json
 from .. import __Orchestrator__
+from .. import Processor
 # Escape JS to the safe JS for the inline JS in HTML tags ATTENTION! Use it only if want to paste JS into HTML tag - not in <script>
 # USAGE: JSEscapeForHTMLInline(inJSStr="lTest=\"Hello World\"; alert(\"lTest\")")
 def JSEscapeForHTMLInline(inJSStr):
@@ -9,6 +10,7 @@ def JSEscapeForHTMLInline(inJSStr):
 # Create JS for send activity list/ activity to the processor
 # USAGE: Orchestrator.Web.Basic.JSProcessorActivityListAdd(inActivityList)
 def JSProcessorActivityListAdd(inActivityList):
+    Processor.__ActivityListVerify__(inActivityList=inActivityList)  # DO VERIFICATION FOR THE inActivityList
     # Check if no def function is here - if exist - replace to alias
     for lActivityItem in inActivityList:
         lDef = lActivityItem["Def"]
@@ -20,7 +22,7 @@ def JSProcessorActivityListAdd(inActivityList):
 # Create JS for execute activity list/ activity permanent
 # USAGE: Orchestrator.Web.Basic.JSActivityListExecute(inActivityList)
 def JSActivityListExecute(inActivityList):
-    if type(inActivityList) is not list: inActivityList =  [inActivityList]
+    Processor.__ActivityListVerify__(inActivityList=inActivityList)  # DO VERIFICATION FOR THE inActivityList
     lJSStr = f"""mGlobal.pyOpenRPA.ActivityListExecute({json.dumps(inActivityList)});"""
     return lJSStr
 
diff --git a/Sources/pyOpenRPA/Orchestrator/__Orchestrator__.py b/Sources/pyOpenRPA/Orchestrator/__Orchestrator__.py
index 10fd0f38..68c4d1f4 100644
--- a/Sources/pyOpenRPA/Orchestrator/__Orchestrator__.py
+++ b/Sources/pyOpenRPA/Orchestrator/__Orchestrator__.py
@@ -735,6 +735,7 @@ def SchedulerActivityTimeAddWeekly(inGSettings, inTimeHHMMStr="23:55:", inWeekda
     """
     if inWeekdayList is None: inWeekdayList=[]
     if inActivityList is None: inActivityList=[]
+    Processor.__ActivityListVerify__(inActivityList=inActivityList) # DO VERIFICATION FOR THE inActivityList
     lActivityTimeItemDict = {
         "TimeHH:MMStr": inTimeHHMMStr,  # Time [HH:MM] to trigger activity
         "WeekdayList": inWeekdayList, # List of the weekday index when activity is applicable, Default [1,2,3,4,5,6,7]
@@ -1346,7 +1347,7 @@ def Orchestrator(inGSettings):
                                             lActivityDateTime>=lDaemonLastDateTime and
                                             lCurrentDateTime>=lActivityDateTime):
                                         # Log info about activity
-                                        if lL: lL.info(f"Scheduler:: Activity list is started in new thread. Scheduler item: {lItem}")  #Logging
+                                        if lL: lL.info(f"Scheduler:: Activity list is started in new thread. Parameters are not available to see.")  #Logging
                                         # Do the activity
                                         lThread = threading.Thread(target=Processor.ActivityListExecute, kwargs={"inGSettings": inGSettings, "inActivityList":lItem["ActivityList"]})
                                         lThread.start()