OrderBook Errors (280–299)

These errors apply to order book account management and internal order indexing logic.

---

Error Table

Code	Name	Message	Cause	Solution
280	InvalidOrderBookOperation	Invalid order book operation	Operation invalid for current state	Verify order book state
281	OrderBookNotFound	Order book not found	Order book account missing	Initialize order book
282	OrderBookFull	Order book is full	At maximum capacity	Wait for orders to clear
283	OrderBookEmpty	Order book is empty	No orders present	Add orders first
284	DuplicateOrderId	Duplicate order ID	ID already exists	Use unique ID
285	OrderIdNotFound	Order ID not found	ID does not exist	Verify order ID
286	InvalidOrderBookState	Invalid order book state	State corrupted	Contact support
287	OrderBookIndexOutOfBounds	Order book index out of bounds	Index exceeds size	Use valid index
288	OrderBookCapacityExceeded	Order book capacity exceeded	Too many orders	Wait for space

---

Characteristics

• Triggered during order insertion, removal, or lookup
• Enforce capacity limits
• Validate order ID uniqueness
• Protect order book indexing integrity