Merge pull request #2633 from FlightControl-Master/leka1986-patch-1

Update Mantis.lua

Moose Development/Moose/Functional/Mantis.lua

@@ -1892,17 +1892,19 @@ do
   -- @return #boolean outcome
     function MANTIS:_CheckAnyEWRAlive()
       self:T(self.lid .. "_CheckAnyEWRAlive")
-    local alive = false
-    if self.EWR_Group:CountAlive() > 0 then
-      alive = true
+    
+      for _, group in pairs(self.EWR_Group:GetSet()) do
+        if group and group:IsAlive() then
+          return true
         end
-    if not alive and self.AWACS_Prefix then
+      end
+      if self.AWACS_Prefix then
         local awacs = GROUP:FindByName(self.AWACS_Prefix)
         if awacs and awacs:IsAlive() then
-        alive = true
+          return true
         end
       end
-    return alive
+      return false
     end
 
   --- [Internal] Function to determine state of the advanced mode