code won't compile due to warnings

[jagtrading]

possible loss of data due to type conversion bollingermacrossover (1).mq5 1256 18
implicit conversion from 'number' to 'string' bollingermacrossover (1).mq5 1323 35
possible loss of data due to type conversion bollingermacrossover (1).mq5 1503 18
implicit conversion from 'number' to 'string' bollingermacrossover (1).mq5 1797 26
return value of 'OrderCalcMargin' should be checked bollingermacrossover (1).mq5 1865 4
possible loss of data due to type conversion bollingermacrossover (1).mq5 2781 28
0 error(s), 6 warning(s)

I get these warnings when I try and compile my program. The program is a simple ma crosses bollinger program with stop-losses and take profits. It also checks if the position is open. Can anyone help me with this?

[fxDreema]

Warnings are not fatal, errors are. These are only warnings... mostly annoying stuff.

[jagtrading]

__Warnings are not fatal, errors are. These are only warnings... mostly annoying stuff.[/quote:fttfmvwh]

never mind its working now