OrderSend error 131 when publishing an EA

I am looking for an experienced MQL4 developer to recreate an Expert Advisor from an existing .EX4 file and provide a fully editable .MQ4 source code version. Requirements: Strong knowledge of MQL4 and Expert Advisor development Ability to analyze and reproduce EA functionality accurately Deliver clean, organized, and well-documented source code Please apply with your relevant experience, pricing, and estimated

I am looking for a skilled developer who can fix an exciting telegram copyingtrades bot for me for 30$ I have the ea source code and python source code everything

I really need a developer Who can help me to create my SNIPER X AI - Elite AI Trading System Overview SNIPER X AI BOT is an AI-assisted trading system for Forex, Crypto, Stocks, Indices, and Gold. Currency: USD,RAND,KWD, POUND,EURO Core Features AI Scalping, Sniper Entries, Auto Buy/Sell, Smart Risk Management, Telegram Alerts, Mobile Monitoring, VPS Deployment. Supported Platforms MetaTrader 4, MetaTrader 5, Exness

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I need an experienced MQL5 developer to build a professional XAUUSD scalping Expert Advisor. The trading logic is already fully defined and will be shared privately with selected developers. Requirements Fast execution suitable for scalping Dynamic lot sizing Strict risk management Clean and optimized MQL5 code Compatible with MetaTrader 5 Additional Rules No repainting logic No delayed execution Avoid duplicate

ZigZag based on oscillators is needed The idea of ​​the indicator Create a ZigZag indicator, which is constructed based on extreme values determined using oscillators. It can use any classical normalized oscillator, which has overbought and oversold zones. The algorithm should first be executed with the WPR indicator, then similarly add the possibility to draw a zigzag using the following indicators: CCI Chaikin RSI

Prepare expert for xauusd live chart [ expert is not executing xauusd trades , just printing the logic on the chart ] . Deletion and cleaning code ( subject to if required ) . Integration of candles with present logic, Since expert is coming out from an arbitration subject : Before project start , review the code if it is clean and ready for the developer to continue with previous developer's technical debt -thereby

Hello, I am looking for an experienced developer who can build a professional EA suitable for long-term prop firm account passing and account management. I am NOT interested in risky strategies such as martingale, grid, or aggressive recovery systems. My main priorities are: very low and stable drawdown, strong and consistent risk management, strict news filter, long-term sustainability, realistic and stable monthly

Dear developers. We seek experienced developer in PHP, MySQL, JavaScript. we want to publish custom chart and CSV to our website Homepage. Our MQL5 Script contains custom layout we seek to publish on the website. we are looking for experienced developer in the field of website engineer. we want to broadcast our custom pairs in our website, as outlined in our MQL5 Script. we need React developers

EA specification for MT5 developer (coder‑ready spec) You can copy‑paste this directly into an MQL5 Freelance job. --- 1. General * Platform: MetaTrader 5 (MT5) * Type: Expert Advisor (EA) * Markets: Major FX pairs (configurable list via inputs) * Execution: Market orders only * Timeframes: EA must work on any timeframe, but I will mainly use it on M15–H1 --- 2. Indicators & definitions * EMA 20: Exponential Moving