MetaTrader 4 Error Codes & What They Mean

Here's a neat list of all the possible error codes you may encounter on the MT4 platform together with a brief description of the error itself. The list contains the default error messages you may encounter while trading your EAs and a list of MQL run time error codes for programmers that use the MQL4 language. This is a useful list that could come in handy the next time you're in a fix so be sure to bookmark this link... The GetLastError() function returns the last error...

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