Added try catch to handle issue caused by TeamMentor/TM_4_0_Design#682

Note that this is not the best way to solve that issue since we still have TeamMentor/TM_4_0_Design#697

src/api/base-classes/Swagger-GraphDB.coffee

@@ -38,7 +38,10 @@ class Swagger_GraphDB extends Swagger_Common
           return
         if data instanceof Object and data.keys().empty() # if object, check if not empty
           return
-        @.cache.put key,data                              # save data into cache
+        try
+          @.cache.put key,data                              # save data into cache
+        catch message
+          logger?.error "Got #{message} when saving cache key #{key}"
 
   send_From_Cache: (res, key, callback)=>
     if @.cache_Enabled

src/services/data/Query-Tree.coffee

@@ -147,7 +147,7 @@ class Query_Tree
 
   sort_Containers: (containers)->
     titles = (container.title.lower() for container in containers).sort()
-    log titles
+
     sorted_Containers = []
     for title in titles
       for container in containers