mt4_error,mt4_name,mt5_retcode,diagnosis
129,ERR_INVALID_PRICE,10015,Invalid price — see invalid price
130,ERR_INVALID_STOPS,10016,Stop too close or wrong side — see invalid stops
131,ERR_INVALID_TRADE_VOLUME,10014,Lot size off the min/max/step — see invalid volume
132,ERR_MARKET_CLOSED,10018,Outside the session — see market closed
133,ERR_TRADE_DISABLED,10017,Trading disabled for the account or symbol
134,ERR_NOT_ENOUGH_MONEY,10019,Free margin — see not enough money
135,ERR_PRICE_CHANGED,10020,Price moved during processing
136,ERR_OFF_QUOTES,10021,No quotes available — see no quotes
138,ERR_REQUOTE,10004,Requote — see requotes
146,ERR_TRADE_CONTEXT_BUSY,— (10024 is the nearest),MT5 has no trade context lock; see trade context busy
148,ERR_TRADE_TOO_MANY_ORDERS,10033,Pending order limit reached
4109,ERR_TRADE_NOT_ALLOWED,10027,EA not permitted to trade — see AutoTrading disabled
4112,AutoTrading disabled by server,10026,Broker-side flag — see AutoTrading disabled