Hi.When we have an EA, we compile it to check for errors. Many times, they usually have a variable that does not recognize, or some leftover function or missing. Obviously, if this happens, if we have no knowledge of programming in MQL4 or MQL5 we not know what to do. As normal is that we have a useless EA. EA's fix I know, because I learned programming in college. I can fix EA's. Although it is logical to refer them to the original creator, to solve the problem. About Allif the EA has cost us money, of course. In this forum, and many more too, people offered to fix EA's, non-profit, unpaid. It also happens sometimes that the EA only works if you add a particular indicator, or more than one. This we must know when we acquired the EA, and its instructions also says that we install such o0 indicator. If we do not, the EA will not run. Compiling an EA is not complicated. If you use the MT4 or MT5 platform, you'll see that when we load our EA, there is a tab that says Compile Tools / Editor /. If you end the process, which is fast in the bottom bar to see the messages there is no warning in red, so good. but they leave yellow warnings are not important. The EA will operate normally quiet. Ideally come out as the image. Happy trade.
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