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The Expert Advisor does not work on a different broker ( TopFX Broker )

I coded an expert advisor in mql4 for a client, I deliver it and he tells me that nothing works, in disbelief I try to download his broker and test it and I find that in fact the broker messed up the operations, I compile the code and delete the cache file in the expert advisors folder, once this is

Draw Line in Future Time

I'm stuck with this code, i have to find the highest and the lowest in like 161 candel, and that's ok, then i have to draw a vertical line N candle forward where the price doesn't arrived yet , what is my error? here is the code : void M() { int max = iHighest(NULL,0,MODE_HIGH,161,0); int min =