diff --git a/lighthub/item.cpp b/lighthub/item.cpp
index bb8c5da..48e20f3 100644
--- a/lighthub/item.cpp
+++ b/lighthub/item.cpp
@@ -887,6 +887,11 @@ int Item::Ctrl(itemCmd cmd,  char* subItem, bool allowRecursion)
     }
     if (itemType==CH_GROUP) 
     {
+    if (fr<350)
+            {
+                errorSerial<<F("Not enough memory for group operation")<<endl;
+                return -1;
+            }    
     if (allowRecursion && itemArg->type == aJson_Array && operation) 
                 {
                 digGroup(itemArg,&cmd,subItem);   
diff --git a/lighthub/itemCmd.cpp b/lighthub/itemCmd.cpp
index 6664114..92de961 100644
--- a/lighthub/itemCmd.cpp
+++ b/lighthub/itemCmd.cpp
@@ -1076,13 +1076,18 @@ char * itemCmd::toString(char * Buffer, int bufLen, int sendFlags, bool scale100
                         {
                           int len;
                           strncpy_P(Buffer, commands_P[cmd.cmdCode], bufLen);
-                          strncat(Buffer, " ", bufLen);
+                          //strncat(Buffer, " ", bufLen);
                           len=strlen(Buffer);
                           argPtr+=len;
                           bufLen-=len;
                           bufLen--;
                         }
-       if (sendFlags & SEND_PARAMETERS)
+       if (isValue() && (sendFlags & SEND_PARAMETERS))
+       {
+       strncat(Buffer, " ", bufLen);
+       bufLen--;
+       argPtr++;
+
        switch (cmd.itemArgType)
        { short colorTemp;
 
@@ -1142,6 +1147,7 @@ char * itemCmd::toString(char * Buffer, int bufLen, int sendFlags, bool scale100
          default:
          ;
        }
+      } 
       return Buffer;
      }