Error - ambiguous call to the overloaded

[Mohammad Ali]

Dear 

I wrote a code below to delete all object match with object name

void DeleteObject(string OJ_Name)
{
   string OJ; bool is_Delete;
   for (int i = ObjectsTotal(0)-1; i >=0; i--) {
      OJ = ObjectName(0,i);
      if (StringFind(OJ, OJ_Name) >= 0) {
         is_Delete = ObjectDelete(0,OJ);
      }
   } 
}

Some time it compile ok some it give error and want to not compile

But as my knowledge code doesn't have any problem. 

[Fernando Carreiro]

Mohammad Ali: I wrote a code below to delete all object match with object name

Some time it compile ok some it give error and want to not compile

But as my knowledge code doesn't have any problem. 

From the error, I assume you are compiling under MQL4 because there are two variants on using the OrdersTotal() function, so you will have to qualify it and use one of the two alternatives:

   ...
ObjectsTotal( (long) 0 )  // Make it a long and not an int
   ...
ObjectsTotal( 0, -1, -1 ) // Or add the extra parameters
   ...
ObjectsTotal()            // Or just use the other variant
   ...

ObjectsTotal

( https://www.mql5.com/en/docs/objects/objectstotal )

The function returns the number of objects of the specified type in the specified chart. There are two variants of the function:

int  ObjectsTotal(
   long  chart_id,          // chart identifier
   int   sub_window=-1,     // window index
   int   type=-1            // object type
   );

The function returns the number of objects of the specified type:

int  ObjectsTotal(
   int    type=EMPTY        // object type
   );

[Marco vd Heijden]

You can also have a look at https://www.mql5.com/en/docs/objects/objectdeleteall