# StackingErrors | Stacks.js 1.0.0 Library Reference
Documentation for Stacks.js 1.0.0 Library Reference

## Index

### Enumeration members

- ERR_DELEGATION_EXPIRES_DURING_LOCK
- ERR_DELEGATION_POX_ADDR_REQUIRED
- ERR_DELEGATION_TOO_MUCH_LOCKED
- ERR_INVALID_START_BURN_HEIGHT
- ERR_NOT_ALLOWED
- ERR_STACKING_ALREADY_DELEGATED
- ERR_STACKING_ALREADY_REJECTED
- ERR_STACKING_ALREADY_STACKED
- ERR_STACKING_EXPIRED
- ERR_STACKING_INSUFFICIENT_FUNDS
- ERR_STACKING_INVALID_AMOUNT
- ERR_STACKING_INVALID_LOCK_PERIOD
- ERR_STACKING_INVALID_POX_ADDRESS
- ERR_STACKING_NO_SUCH_PRINCIPAL
- ERR_STACKING_PERMISSION_DENIED
- ERR_STACKING_POX_ADDRESS_IN_USE
- ERR_STACKING_STX_LOCKED
- ERR_STACKING_THRESHOLD_NOT_MET
- ERR_STACKING_UNREACHABLE

## Enumeration members

### ERR_DELEGATION_EXPIRES_DURING_LOCK

ERR_DELEGATION_EXPIRES_DURING_LOCK: = 21

- Defined in packages/stacking/src/constants.ts:17

### ERR_DELEGATION_POX_ADDR_REQUIRED

ERR_DELEGATION_POX_ADDR_REQUIRED: = 23

- Defined in packages/stacking/src/constants.ts:19

### ERR_DELEGATION_TOO_MUCH_LOCKED

ERR_DELEGATION_TOO_MUCH_LOCKED: = 22

- Defined in packages/stacking/src/constants.ts:18

### ERR_INVALID_START_BURN_HEIGHT

ERR_INVALID_START_BURN_HEIGHT: = 24

- Defined in packages/stacking/src/constants.ts:20

### ERR_NOT_ALLOWED

ERR_NOT_ALLOWED: = 19

- Defined in packages/stacking/src/constants.ts:15

### ERR_STACKING_ALREADY_DELEGATED

ERR_STACKING_ALREADY_DELEGATED: = 20

- Defined in packages/stacking/src/constants.ts:16

### ERR_STACKING_ALREADY_REJECTED

ERR_STACKING_ALREADY_REJECTED: = 17

- Defined in packages/stacking/src/constants.ts:13

### ERR_STACKING_ALREADY_STACKED

ERR_STACKING_ALREADY_STACKED: = 3

- Defined in packages/stacking/src/constants.ts:5

### ERR_STACKING_EXPIRED

ERR_STACKING_EXPIRED: = 5

- Defined in packages/stacking/src/constants.ts:7

### ERR_STACKING_INSUFFICIENT_FUNDS

ERR_STACKING_INSUFFICIENT_FUNDS: = 1

- Defined in packages/stacking/src/constants.ts:3

### ERR_STACKING_INVALID_AMOUNT

ERR_STACKING_INVALID_AMOUNT: = 18

- Defined in packages/stacking/src/constants.ts:14

### ERR_STACKING_INVALID_LOCK_PERIOD

ERR_STACKING_INVALID_LOCK_PERIOD: = 2

- Defined in packages/stacking/src/constants.ts:4

### ERR_STACKING_INVALID_POX_ADDRESS

ERR_STACKING_INVALID_POX_ADDRESS: = 13

- Defined in packages/stacking/src/constants.ts:12

### ERR_STACKING_NO_SUCH_PRINCIPAL

ERR_STACKING_NO_SUCH_PRINCIPAL: = 4

- Defined in packages/stacking/src/constants.ts:6

### ERR_STACKING_PERMISSION_DENIED

ERR_STACKING_PERMISSION_DENIED: = 9

- Defined in packages/stacking/src/constants.ts:9

### ERR_STACKING_POX_ADDRESS_IN_USE

ERR_STACKING_POX_ADDRESS_IN_USE: = 12

- Defined in packages/stacking/src/constants.ts:11

### ERR_STACKING_STX_LOCKED

ERR_STACKING_STX_LOCKED: = 6

- Defined in packages/stacking/src/constants.ts:8

### ERR_STACKING_THRESHOLD_NOT_MET

ERR_STACKING_THRESHOLD_NOT_MET: = 11

- Defined in packages/stacking/src/constants.ts:10

### ERR_STACKING_UNREACHABLE

ERR_STACKING_UNREACHABLE: = 255

- Defined in packages/stacking/src/constants.ts:2

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