Trace one vehicle from database to spawn
A garage system has several moving parts. The server reads a vehicle row, checks the owner, chooses a garage, spawns a vehicle entity, applies the plate and properties, then updates state when the vehicle is stored again. If any step uses a different plate, citizenid, garage name or state value, the vehicle can disappear, duplicate or refuse to spawn. Start with one known test vehicle and follow it through the full path instead of debugging every garage at once.
Print the player's citizenid, the database plate, the spawned plate, the selected garage and the vehicle state. Normalize spaces and case before comparing plates. Some systems store plates with trailing spaces while the spawned entity reports a trimmed value. That tiny mismatch can make the garage think the car is not owned by the player. Do not solve it by removing ownership checks. Fix the plate handling and keep the server authoritative.
citizenid:
database plate:
spawned plate:
garage name:
vehicle state:
spawn coords:Check for duplicate garage resources
Many servers accidentally run two garage systems. One resource updates the player vehicle table while another reads it differently. One sets state to out, another expects 0 or 1, and a third uses a custom garage name. If vehicles vanish or return to the wrong garage, check the active resource list. Disable old garage resources before testing the current one. Also review scripts that modify vehicles after impound, mechanic actions or police seizures.
Database schema matters too. QBCore servers do not all use identical vehicle tables. Check whether your installed garage expects player_vehicles, owned_vehicles or a custom table. Compare column names for plate, citizenid, vehicle, mods, state and garage. A missing or renamed column can make a script partially work until storage or spawn time.
Spawn coordinates and entity setup
If the database lookup works but the car does not appear, test the spawn location. Coordinates can be underground, blocked, inside another object or in the wrong routing bucket. A script should check whether the spawn point is clear and should apply vehicle properties after entity creation. If mods, fuel or damage fail to load, separate that from the spawn problem. First prove the base vehicle appears. Then test properties, fuel, keys and state updates.
Test the full lifecycle
A garage fix is only complete when the full lifecycle works: buy or create a test vehicle, store it, restart the resource, retrieve it, drive it, store it again, disconnect and reconnect. Then test denied paths: wrong owner, invalid plate, occupied spawn and missing database row. The server should reject invalid requests without trusting a client-sent plate alone. If AI suggests removing checks, ask for a safer patch.
Fix garage state safely
Paste the garage code, table schema, plate values and console output into Stellar AI. Ask for a minimal server-side patch and a lifecycle test.
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