How to Fix ERR_GEN_INVALID in GTA 5 with Mods 2025

How to Fix ERR_GEN_INVALID Error

ERR_GEN_INVALID is a common crash error when modding GTA 5. This guide covers all solutions.

What Causes ERR_GEN_INVALID?

• Corrupted mod files
• Incompatible vehicle/ped models
• Wrong file format or structure
• Missing dependencies
• Memory issues with too many mods

Solution 1: Identify Problem Mod

1. Note when crash occurs (spawning vehicle, location, etc.)
2. Remove recently installed mods
3. Test until crash stops
4. Problematic mod found

Solution 2: Reinstall Corrupted Mod

1. Re-download the mod
2. Delete old files completely
3. Install fresh copy
4. Verify file integrity

Solution 3: Install Memory Fixes

1. Install Gameconfig (latest version)
2. Install Heap Adjuster
3. Install Packfile Limit Adjuster
4. These prevent memory-related crashes

Solution 4: Check Vehicle Models

Vehicle mods often cause this error:

• Ensure .yft model file is correct format
• Check .ytd texture dictionary
• Verify vehicles.meta entry
• Check handling.meta entry

Solution 5: Verify dlclist.xml

• No duplicate entries
• Paths spelled correctly
• All referenced folders exist
• Proper XML formatting

Solution 6: Clean Cache

1. Navigate to AppData/Local/Rockstar Games/GTA V
2. Delete shader cache files
3. Game rebuilds on next launch

Solution 7: Verify Game Files

1. Backup mods folder
2. Rename mods to mods_backup
3. Verify game via launcher
4. Test vanilla game
5. Restore mods folder

Prevention Tips

• Only download from trusted sources
• Check mod comments for issues
• Install mods one at a time
• Keep backups of working setups
• Update mods after game patches

Conclusion

ERR_GEN_INVALID usually means a bad mod file. Use elimination method to find it!