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Troubleshooting Errors

Error Codes
In order to reduce gas usage and code size, /spark-protocol contracts return numbered errors. If you are making calls to the protocol and receive numbered errors, you can use the reference below to know what is the error. Alternatively, you can also find what the numbers represent by checking the Errors.sol​
Reference Guide
Error codes are returned as string.
ERROR CODE (string)
ERROR NAME
ERROR DESCRIPTION
1
CALLER_NOT_POOL_ADMIN
The caller of the function is not a pool admin
2
CALLER_NOT_EMERGENCY_ADMIN
The caller of the function is not an emergency admin
3
CALLER_NOT_POOL_OR_EMERGENCY_ADMIN
The caller of the function is not a pool or emergency admin
4
CALLER_NOT_RISK_OR_POOL_ADMIN
The caller of the function is not a risk or pool admin
5
CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN
The caller of the function is not an asset listing or pool admin
6
CALLER_NOT_BRIDGE
The caller of the function is not a bridge
7
ADDRESSES_PROVIDER_NOT_REGISTERED
Pool addresses provider is not registered
8
INVALID_ADDRESSES_PROVIDER_ID
Invalid id for the pool addresses provider
9
NOT_CONTRACT
Address is not a contract
10
CALLER_NOT_POOL_CONFIGURATOR
The caller of the function is not the pool configurator
11
CALLER_NOT_ATOKEN
The caller of the function is not an SpToken
12
INVALID_ADDRESSES_PROVIDER
The address of the pool addresses provider is invalid
13
INVALID_FLASHLOAN_EXECUTOR_RETURN
Invalid return value of the flashloan executor function
14
RESERVE_ALREADY_ADDED
Reserve has already been added to reserve list
15
NO_MORE_RESERVES_ALLOWED
Maximum amount of reserves in the pool reached
16
EMODE_CATEGORY_RESERVED
Zero eMode category is reserved for volatile heterogeneous assets
17
INVALID_EMODE_CATEGORY_ASSIGNMENT
Invalid eMode category assignment to asset
18
RESERVE_LIQUIDITY_NOT_ZERO
The liquidity of the reserve needs to be 0
19
FLASHLOAN_PREMIUM_INVALID
Invalid flashloan premium
20
INVALID_RESERVE_PARAMS
Invalid risk parameters for the reserve
21
INVALID_EMODE_CATEGORY_PARAMS
Invalid risk parameters for the eMode category
22
BRIDGE_PROTOCOL_FEE_INVALID
Invalid bridge protocol fee
23
CALLER_MUST_BE_POOL
The caller of this function must be a pool
24
INVALID_MINT_AMOUNT
Invalid amount to mint
25
INVALID_BURN_AMOUNT
Invalid amount to burn
26
INVALID_AMOUNT
Amount must be greater than 0
27
RESERVE_INACTIVE
Action requires an active reserve
28
RESERVE_FROZEN
Action cannot be performed because the reserve is frozen
29
RESERVE_PAUSED
Action cannot be performed because the reserve is paused
30
BORROWING_NOT_ENABLED
Borrowing is not enabled
31
STABLE_BORROWING_NOT_ENABLED
Stable borrowing is not enabled
32
NOT_ENOUGH_AVAILABLE_USER_BALANCE
User cannot withdraw more than the available balance
33
INVALID_INTEREST_RATE_MODE_SELECTED
Invalid interest rate mode selected
34
COLLATERAL_BALANCE_IS_ZERO
The collateral balance is 0
35
HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD
Health factor is lesser than the liquidation threshold
36
COLLATERAL_CANNOT_COVER_NEW_BORROW
There is not enough collateral to cover a new borrow
37
COLLATERAL_SAME_AS_BORROWING_CURRENCY
Collateral is (mostly) the same currency that is being borrowed
38
AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE
The requested amount is greater than the max loan size in stable rate mode
39
NO_DEBT_OF_SELECTED_TYPE
For repayment of a specific type of debt, the user needs to have debt that type
40
NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF
To repay on behalf of a user an explicit amount to repay is needed
41
NO_OUTSTANDING_STABLE_DEBT
User does not have outstanding stable rate debt on this reserve
42
NO_OUTSTANDING_VARIABLE_DEBT
User does not have outstanding variable rate debt on this reserve
43
UNDERLYING_BALANCE_ZERO
The underlying balance needs to be greater than 0
44
INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET
Interest rate rebalance conditions were not met
45
HEALTH_FACTOR_NOT_BELOW_THRESHOLD
Health factor is not below the threshold
46
COLLATERAL_CANNOT_BE_LIQUIDATED
The collateral chosen cannot be liquidated
47
SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER
User did not borrow the specified currency
48
SAME_BLOCK_BORROW_REPAY
Borrow and repay in same block is not allowed
49
INCONSISTENT_FLASHLOAN_PARAMS
Inconsistent flashloan parameters
50
BORROW_CAP_EXCEEDED
Borrow cap is exceeded
51
SUPPLY_CAP_EXCEEDED
Supply cap is exceeded
52
UNBACKED_MINT_CAP_EXCEEDED
Unbacked mint cap is exceeded
53
DEBT_CEILING_EXCEEDED
Debt ceiling is exceeded
54
ATOKEN_SUPPLY_NOT_ZERO
SpToken supply is not zero
55
STABLE_DEBT_NOT_ZERO
Stable debt supply is not zero
56
VARIABLE_DEBT_SUPPLY_NOT_ZERO
Variable debt supply is not zero
57
LTV_VALIDATION_FAILED
Ltv validation failed
58
INCONSISTENT_EMODE_CATEGORY
Inconsistent eMode category
59
PRICE_ORACLE_SENTINEL_CHECK_FAILED
Price oracle sentinel validation failed
60
ASSET_NOT_BORROWABLE_IN_ISOLATION
Asset is not borrowable in isolation mode
61
RESERVE_ALREADY_INITIALIZED
Reserve has already been initialized
62
USER_IN_ISOLATION_MODE
User is in isolation mode
63
INVALID_LTV
Invalid ltv parameter for the reserve
64
INVALID_LIQ_THRESHOLD
Invalid liquidity threshold parameter for the reserve
65
INVALID_LIQ_BONUS
Invalid liquidity bonus parameter for the reserve
66
INVALID_DECIMALS
Invalid decimals parameter of the underlying asset of the reserve
67
INVALID_RESERVE_FACTOR
Invalid reserve factor parameter for the reserve
68
INVALID_BORROW_CAP
Invalid borrow cap for the reserve
69
INVALID_SUPPLY_CAP
Invalid supply cap for the reserve
70
INVALID_LIQUIDATION_PROTOCOL_FEE
Invalid liquidation protocol fee for the reserve
71
INVALID_EMODE_CATEGORY
Invalid eMode category for the reserve
72
INVALID_UNBACKED_MINT_CAP
Invalid unbacked mint cap for the reserve
73
INVALID_DEBT_CEILING
Invalid debt ceiling for the reserve
74
INVALID_RESERVE_INDEX
Invalid reserve index
75
ACL_ADMIN_CANNOT_BE_ZERO
ACL admin cannot be set to the zero address
76
INCONSISTENT_PARAMS_LENGTH
Array parameters that should be equal length are not
77
ZERO_ADDRESS_NOT_VALID
Zero address not valid
78
INVALID_EXPIRATION
Invalid expiration
79
INVALID_SIGNATURE
Invalid signature
80
OPERATION_NOT_SUPPORTED
Operation not supported
81
DEBT_CEILING_NOT_ZERO
Debt ceiling is not zero
82
ASSET_NOT_LISTED
Asset is not listed
83
INVALID_OPTIMAL_USAGE_RATIO
Invalid optimal usage ratio
84
INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO
Invalid optimal stable to total debt ratio
85
UNDERLYING_CANNOT_BE_RESCUED
The underlying asset cannot be rescued
86
ADDRESSES_PROVIDER_ALREADY_ADDED
Reserve has already been added to reserve list
87
POOL_ADDRESSES_DO_NOT_MATCH
The token implementation pool address and the pool address provided by the initializing pool do not match
88
STABLE_BORROWING_ENABLED
Stable borrowing is enabled
89
SILOED_BORROWING_VIOLATION
User is trying to borrow multiple assets including a siloed one
90
RESERVE_DEBT_NOT_ZERO
// the total debt of the reserve needs to be 0

ERROR CODE (string)	ERROR NAME	ERROR DESCRIPTION
1	CALLER_NOT_POOL_ADMIN	The caller of the function is not a pool admin
2	CALLER_NOT_EMERGENCY_ADMIN	The caller of the function is not an emergency admin
3	CALLER_NOT_POOL_OR_EMERGENCY_ADMIN	The caller of the function is not a pool or emergency admin
4	CALLER_NOT_RISK_OR_POOL_ADMIN	The caller of the function is not a risk or pool admin
5	CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN	The caller of the function is not an asset listing or pool admin
6	CALLER_NOT_BRIDGE	The caller of the function is not a bridge
7	ADDRESSES_PROVIDER_NOT_REGISTERED	Pool addresses provider is not registered
8	INVALID_ADDRESSES_PROVIDER_ID	Invalid id for the pool addresses provider
9	NOT_CONTRACT	Address is not a contract
10	CALLER_NOT_POOL_CONFIGURATOR	The caller of the function is not the pool configurator
11	CALLER_NOT_ATOKEN	The caller of the function is not an SpToken
12	INVALID_ADDRESSES_PROVIDER	The address of the pool addresses provider is invalid
13	INVALID_FLASHLOAN_EXECUTOR_RETURN	Invalid return value of the flashloan executor function
14	RESERVE_ALREADY_ADDED	Reserve has already been added to reserve list
15	NO_MORE_RESERVES_ALLOWED	Maximum amount of reserves in the pool reached
16	EMODE_CATEGORY_RESERVED	Zero eMode category is reserved for volatile heterogeneous assets
17	INVALID_EMODE_CATEGORY_ASSIGNMENT	Invalid eMode category assignment to asset
18	RESERVE_LIQUIDITY_NOT_ZERO	The liquidity of the reserve needs to be 0
19	FLASHLOAN_PREMIUM_INVALID	Invalid flashloan premium
20	INVALID_RESERVE_PARAMS	Invalid risk parameters for the reserve
21	INVALID_EMODE_CATEGORY_PARAMS	Invalid risk parameters for the eMode category
22	BRIDGE_PROTOCOL_FEE_INVALID	Invalid bridge protocol fee
23	CALLER_MUST_BE_POOL	The caller of this function must be a pool
24	INVALID_MINT_AMOUNT	Invalid amount to mint
25	INVALID_BURN_AMOUNT	Invalid amount to burn
26	INVALID_AMOUNT	Amount must be greater than 0
27	RESERVE_INACTIVE	Action requires an active reserve
28	RESERVE_FROZEN	Action cannot be performed because the reserve is frozen
29	RESERVE_PAUSED	Action cannot be performed because the reserve is paused
30	BORROWING_NOT_ENABLED	Borrowing is not enabled
31	STABLE_BORROWING_NOT_ENABLED	Stable borrowing is not enabled
32	NOT_ENOUGH_AVAILABLE_USER_BALANCE	User cannot withdraw more than the available balance
33	INVALID_INTEREST_RATE_MODE_SELECTED	Invalid interest rate mode selected
34	COLLATERAL_BALANCE_IS_ZERO	The collateral balance is 0
35	HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD	Health factor is lesser than the liquidation threshold
36	COLLATERAL_CANNOT_COVER_NEW_BORROW	There is not enough collateral to cover a new borrow
37	COLLATERAL_SAME_AS_BORROWING_CURRENCY	Collateral is (mostly) the same currency that is being borrowed
38	AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE	The requested amount is greater than the max loan size in stable rate mode
39	NO_DEBT_OF_SELECTED_TYPE	For repayment of a specific type of debt, the user needs to have debt that type
40	NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF	To repay on behalf of a user an explicit amount to repay is needed
41	NO_OUTSTANDING_STABLE_DEBT	User does not have outstanding stable rate debt on this reserve
42	NO_OUTSTANDING_VARIABLE_DEBT	User does not have outstanding variable rate debt on this reserve
43	UNDERLYING_BALANCE_ZERO	The underlying balance needs to be greater than 0
44	INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET	Interest rate rebalance conditions were not met
45	HEALTH_FACTOR_NOT_BELOW_THRESHOLD	Health factor is not below the threshold
46	COLLATERAL_CANNOT_BE_LIQUIDATED	The collateral chosen cannot be liquidated
47	SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER	User did not borrow the specified currency
48	SAME_BLOCK_BORROW_REPAY	Borrow and repay in same block is not allowed
49	INCONSISTENT_FLASHLOAN_PARAMS	Inconsistent flashloan parameters
50	BORROW_CAP_EXCEEDED	Borrow cap is exceeded
51	SUPPLY_CAP_EXCEEDED	Supply cap is exceeded
52	UNBACKED_MINT_CAP_EXCEEDED	Unbacked mint cap is exceeded
53	DEBT_CEILING_EXCEEDED	Debt ceiling is exceeded
54	ATOKEN_SUPPLY_NOT_ZERO	SpToken supply is not zero
55	STABLE_DEBT_NOT_ZERO	Stable debt supply is not zero
56	VARIABLE_DEBT_SUPPLY_NOT_ZERO	Variable debt supply is not zero
57	LTV_VALIDATION_FAILED	Ltv validation failed
58	INCONSISTENT_EMODE_CATEGORY	Inconsistent eMode category
59	PRICE_ORACLE_SENTINEL_CHECK_FAILED	Price oracle sentinel validation failed
60	ASSET_NOT_BORROWABLE_IN_ISOLATION	Asset is not borrowable in isolation mode
61	RESERVE_ALREADY_INITIALIZED	Reserve has already been initialized
62	USER_IN_ISOLATION_MODE	User is in isolation mode
63	INVALID_LTV	Invalid ltv parameter for the reserve
64	INVALID_LIQ_THRESHOLD	Invalid liquidity threshold parameter for the reserve
65	INVALID_LIQ_BONUS	Invalid liquidity bonus parameter for the reserve
66	INVALID_DECIMALS	Invalid decimals parameter of the underlying asset of the reserve
67	INVALID_RESERVE_FACTOR	Invalid reserve factor parameter for the reserve
68	INVALID_BORROW_CAP	Invalid borrow cap for the reserve
69	INVALID_SUPPLY_CAP	Invalid supply cap for the reserve
70	INVALID_LIQUIDATION_PROTOCOL_FEE	Invalid liquidation protocol fee for the reserve
71	INVALID_EMODE_CATEGORY	Invalid eMode category for the reserve
72	INVALID_UNBACKED_MINT_CAP	Invalid unbacked mint cap for the reserve
73	INVALID_DEBT_CEILING	Invalid debt ceiling for the reserve
74	INVALID_RESERVE_INDEX	Invalid reserve index
75	ACL_ADMIN_CANNOT_BE_ZERO	ACL admin cannot be set to the zero address
76	INCONSISTENT_PARAMS_LENGTH	Array parameters that should be equal length are not
77	ZERO_ADDRESS_NOT_VALID	Zero address not valid
78	INVALID_EXPIRATION	Invalid expiration
79	INVALID_SIGNATURE	Invalid signature
80	OPERATION_NOT_SUPPORTED	Operation not supported
81	DEBT_CEILING_NOT_ZERO	Debt ceiling is not zero
82	ASSET_NOT_LISTED	Asset is not listed
83	INVALID_OPTIMAL_USAGE_RATIO	Invalid optimal usage ratio
84	INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO	Invalid optimal stable to total debt ratio
85	UNDERLYING_CANNOT_BE_RESCUED	The underlying asset cannot be rescued
86	ADDRESSES_PROVIDER_ALREADY_ADDED	Reserve has already been added to reserve list
87	POOL_ADDRESSES_DO_NOT_MATCH	The token implementation pool address and the pool address provided by the initializing pool do not match
88	STABLE_BORROWING_ENABLED	Stable borrowing is enabled
89	SILOED_BORROWING_VIOLATION	User is trying to borrow multiple assets including a siloed one
90	RESERVE_DEBT_NOT_ZERO	// the total debt of the reserve needs to be 0

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