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I will fix your fivem scripts and mlo for esx qbcore and qbox
COLTEER
About this gig
Is your FiveM server full of bugs, errors, or scripts that dont work as expected?
Youre in the right place!
Im Nassim a FiveM developer specialized in fixing server issues, optimizing scripts, and creating advanced custom systems for your GTA V FiveM server.
What I can help you with:
️ Fix FiveM server bugs & errors
️ Debug Lua, JavaScript & C# scripts
️ Fix ESX & QBCore issues
️ Advanced custom FiveM scripts
️ Custom jobs, systems & features
️ Script optimization & performance improvements
️ Database / MySQL related issues
️ Server-side & client-side errors
️ Script integration & compatibility fixes
️ Custom features based on your ideas
Why choose me?
I focus on clean, reliable and optimized solutions. Ill analyze your issue, identify the cause, and work on the best solution for your server.
Have a complex problem or a unique idea? Send me a message before ordering and tell me what you need.
Lets fix your server and build something awesome!
Order now and lets get started.
Get to know COLTEER
COLTEER
FiveM Developer Custom Scripts Server Development and Bug Fixes
- FromMorocco
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Arabic, English, French
Hi! I’m Nassim , a FiveM Developer specializing in custom scripts, server development, and complete server bases. I work with ESX, QBCore & QBOX and can build, customize, optimize, or fix your server.
✔ Custom FiveM Scripts
✔ Complete Server Bases
✔ ESX / QBCore / QBOX
✔ Bug Fixing & Optimization
✔ UI / NUI Development
✔ Database & SQL Setup
✔ Server Configuration
I focus on clean, optimized, and professional work tailored to your server. Contact me before ordering to discuss your project.
FAQ
FAQ 1 — What FiveM frameworks do you support?
I can work with popular FiveM frameworks such as ESX, QBCore, Qbox, and standalone resources. If you use a custom framework, message me first so I can check compatibility.
FAQ 2 — Can you fix existing FiveM scripts?
Yes! I can debug and fix Lua, JavaScript, and C# scripts, including client-side, server-side, database, and dependency-related issues.
FAQ 3 — Can you create a completely custom FiveM script?
Absolutely. I can develop custom jobs, systems, features, and gameplay mechanics based on your requirements.
FAQ 4 — Can you fix server errors and script conflicts?
Yes. I can investigate console errors, resource conflicts, dependency problems, database errors, and compatibility issues and work toward a clean solution.
FAQ 5 — Do you optimize FiveM scripts?
Yes. I can optimize scripts to improve performance, resource usage, and overall server stability while keeping the required functionality.
FAQ 7 — What do you need from me to start?
Usually, I need a clear description of the issue or feature, relevant error messages/screenshots, and the necessary project files or access required to diagnose the problem.
