Error Selector Reference

On-chain contract calls can revert with a 4-byte error selector (error signature). The table below maps each selector to a human-readable message.

Signature	Message
`0x00eb943e`	Margin to extract exceeds PnL
`0x01735734`	Cannot open opposite side order while position exists
`0x0313b285`	Market already exists
`0x0428f2af`	Position must be filled to reduce
`0x0490d80a`	Invalid max IF fraction
`0x05baf701`	Margin to reduce exceeds initial margin
`0x075d545b`	Margin cannot be zero
`0x09ee12d5`	Not a contract
`0x0a62b8f3`	No position found
`0x0a8ed92c`	Denominator is zero
`0x0ae3681c`	Cannot add selectors to zero address
`0x0db557d4`	Trade fee overflow
`0x0dc149f0`	Position already initialized
`0x0dfa289a`	Invalid side
`0x0e7186fb`	Oracle data required
`0x11d7116c`	Fill size exceeds open order position size
`0x1265b6c8`	Invalid shock factor
`0x14abe8cd`	Executable queue size cannot be zero
`0x1602e9e9`	Invalid seizure threshold
`0x16d402d1`	Only fully filled orders can be added to
`0x192105d7`	Initialization function reverted
`0x1d351536`	Stale manual reduce order pointer
`0x20cada95`	New position size is zero
`0x21511763`	Batch array lengths must be equal
`0x21c35dd1`	Reduce order does not belong to position
`0x23d88bc0`	No pending open order to release
`0x25153723`	Stop loss order already exists
`0x25e2f413`	Order must be pending or partially filled to cancel
`0x2683d346`	Total reduce size exceeds available size
`0x29d842c0`	Only trader can cancel their order
`0x2b870c24`	Maximum leverage must exceed minimum leverage
`0x321794aa`	Not protocol admin
`0x358d9d1a`	Cannot replace function with the same function from the same facet
`0x3728b83d`	Invalid amount
`0x37668688`	Native token not accepted
`0x376ab111`	Array too large
`0x3789a26b`	Size is zero
`0x38be0951`	Notional value overflow
`0x39060dc5`	Reduce order must be in terminal state
`0x396476ce`	Invalid stop loss or take profit prices
`0x3e43f616`	Margin to extract exceeds available margin
`0x3ee5aeb5`	Reentrancy guard reentrant call
`0x43898c0a`	Duplicate order ID
`0x46361ddd`	Scale factor result overflow
`0x48a4298b`	Not in matching session
`0x4aeccc1b`	Lambda exceeds one
`0x4c3cbf04`	Not proposed protocol admin
`0x4d2acfe8`	Trade size must be multiple of lot size
`0x4e23d035`	Index out of bounds
`0x520300da`	Cannot replace immutable function
`0x52313c09`	Insurance fund allocation overflow
`0x5274afe7`	SafeERC20 operation failed
`0x5416eb98`	Function not found
`0x581a7f65`	Net balance should be negative
`0x59caa480`	Price threshold cannot be zero
`0x5c86708f`	Margin operations not allowed on pending position
`0x5cddff42`	Cannot replace function that does not exist
`0x5ce28caf`	No position or pending order found for stop loss/take profit
`0x5d706033`	Invalid order ID
`0x5dc35903`	Initial margin must be greater than zero
`0x60f8f321`	Eth not accepted
`0x6223f681`	Take profit price must be better than mark price
`0x651a6fee`	Position must be partially or fully filled
`0x66634bf7`	Facet call returned no data
`0x69b1189f`	Only fully filled orders can be extracted
`0x6fafeb08`	Cannot remove immutable function
`0x71303cf3`	Entitlement percentage exceeds BPS scale
`0x71ec6e28`	Position in liquidation
`0x741df939`	Market is paused
`0x7451ecdf`	Pending orders on opposite side
`0x76028bdf`	Reduce size exceeds available size
`0x7a08a22d`	Cannot remove function that does not exist
`0x7b67157c`	Minimum leverage too low
`0x7d92e766`	Order book is full
`0x7e86a579`	Maximum pending reduce orders exceeded
`0x7fe9a41e`	Incorrect facet cut action
`0x806c8697`	Lot size cannot be zero
`0x80e54607`	Market has open positions
`0x82b42900`	Unauthorized
`0x84540995`	Facet has no code or has been destroyed
`0x8568428e`	Reduce size must be greater than zero
`0x85de96b8`	Invalid oracle price data
`0x89af5fc3`	Invalid market ID hash
`0x8d1665da`	Trader liquidation corrupted
`0x919834b9`	No bytecode at address
`0x91f63592`	Queue overflow
`0x93a4b908`	Reduce order size exceeds open order position size
`0x94280d62`	Invalid ERC20 spender
`0x96c6fd1e`	Invalid ERC20 sender
`0x9dba39bc`	Revenue overflow
`0xa6429e9f`	Notional cannot be zero
`0xab77128e`	Take profit order already exists
`0xad6857d1`	Manual reduce order already exists
`0xad9757f4`	Invalid stop loss price
`0xaf31444f`	Open interest exists across markets
`0xb036286e`	Fill size exceeds remaining reduce order size
`0xb04f990b`	Market scale factor is zero
`0xb0cfa447`	Market does not exist
`0xb113638a`	Value does not exist
`0xb1eecba4`	Matching oracle price mismatch
`0xb3215542`	Margin extraction would exceed maximum leverage
`0xb419e811`	Trade size out of allowed range
`0xb50b6422`	Merged position would be underwater
`0xb61fbe34`	Position scale factor snapshot is zero
`0xb6c49a15`	Open interest is zero
`0xb6f63d65`	Empty name not allowed
`0xbb33e6ac`	Value already exists
`0xbe543a82`	Only trader can reduce their order
`0xbf36e93f`	Market IF fraction too high
`0xc541a95b`	Open order has zero size, cannot reduce
`0xc8444e18`	Insurance fund has existing position
`0xcb64ae8d`	Leverage must be whole number
`0xcbd5b1d2`	Margin to add must be greater than zero
`0xcc6595f7`	Invalid ADL threshold
`0xccd52fbc`	Pointer out of bounds
`0xcd98a96f`	Cannot replace functions from facet with zero address
`0xcf4ce7bc`	Invalid take profit price
`0xd060c572`	Open order must be partially or fully filled
`0xd091bc81`	Remove facet address must be zero address
`0xd36d8965`	Order not found
`0xd8eadcb5`	Only trader can update their order
`0xd92e233d`	Zero address not allowed
`0xda177f42`	Leverage exceeds max allowed
`0xda5f1a6a`	Leverage out of allowed range
`0xe1140add`	Filled size overflow
`0xe450d38c`	Insufficient ERC20 balance
`0xe570110f`	SafeERC20 failed to decrease allowance
`0xe602df05`	Invalid ERC20 approver
`0xe672ee91`	Fill size must be greater than zero
`0xe6e66ac8`	Order must be pending to update
`0xe73ffde8`	Position must be decreased
`0xe767f91f`	No selectors provided for facet for cut
`0xe7d507dc`	Invalid max size
`0xeb4f513d`	Shock percentage is too high
`0xeb6ba048`	No selectors given to add
`0xebb8ab27`	Position must be increased
`0xebbf5d07`	Cannot add function to diamond that already exists
`0xec442f05`	Invalid ERC20 receiver
`0xed0cfdf0`	Stop loss price must be worse than mark price
`0xed732d0c`	Tree is full
`0xefac47f8`	Market name cannot be updated
`0xf4d678b8`	Insufficient balance
`0xf4dcf37e`	Invalid maintenance margin ratio
`0xf5c787f1`	Price overflow
`0xf9b42874`	Price oracle not set
`0xfab43128`	Liquidation order not in queue
`0xfb3ab2be`	Opposite side open interest is zero
`0xfb57fb37`	Margin addition would overflow
`0xfb8f41b2`	Insufficient ERC20 allowance
`0xff4127cb`	Not contract owner

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Error Selector Reference