Day: May 3, 2009

May 3
2009

OrderSend Error 129 — What to Do?

When using some MT4 expert advisors you may have encountered a rather annoying error message, which reads «OrderSend Error 129». This error should be avoided during EA’s creation, but even if you aren’t the author of the problematic EA, this error is rather easy to fix. OrderSend Error 129 in MetaTrader platform is internally called ERR_INVALID_PRICE («Invalid Price»), which means that expert advisor is trying to open an order with the invalid current price. […]

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