> ## Documentation Index
> Fetch the complete documentation index at: https://docs.meteora.ag/llms.txt
> Use this file to discover all available pages before exploring further.

# Dynamic Fee Sharing Program Errors

> Understand Dynamic Fee Sharing custom errors, codes, messages, and common causes for integration debugging.

Dynamic Fee Sharing custom errors are emitted by the Anchor `FeeVaultError` enum.

<Tip>
  Anchor custom error codes start at `6000`. When a transaction log contains a custom program error such as `0x1776`, convert the hex value to decimal to find the matching code. `0x1776` is `6006`, which maps to `ExceededUser`.
</Tip>

## Error Codes

| Code   | Name                        | Message                          | Common cause                                                                                                                    |
| ------ | --------------------------- | -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| `6000` | `MathOverflow`              | Math operation overflow          | Checked arithmetic failed during funding, fee-per-share calculation, claim calculation, or Token 2022 transfer-fee calculation. |
| `6001` | `InvalidMint`               | Mint is not supported            | Token 2022 mint has an unsupported extension, or mint account validation failed.                                                |
| `6002` | `InvalidFeeVaultParameters` | Fee vault parameters are invalid | A configured user share is zero.                                                                                                |
| `6003` | `AmountIsZero`              | Amount is zero                   | Direct funding resolved to zero after capping by the funder's token account balance.                                            |
| `6004` | `InvalidUserIndex`          | Invalid user index               | `claim_fee` was called with an index outside the fixed user array.                                                              |
| `6005` | `InvalidUserAddress`        | Invalid user address             | Initialization used a default public key, or `claim_fee` signer did not match `users[index].address`.                           |
| `6006` | `ExceededUser`              | Exceeded number of users allowed | Initialization used fewer than 2 users or more than 5 users.                                                                    |
| `6007` | `InvalidFeeVault`           | Invalid fee vault                | `fund_by_claiming_fee` was called with a non-PDA fee vault.                                                                     |
| `6008` | `InvalidSigner`             | Invalid signer                   | Source-program funding signer is not one of the fee vault shareholders.                                                         |
| `6009` | `InvalidAction`             | Invalid action                   | Source program, instruction discriminator, or expected token vault remaining account does not match the whitelist.              |