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

# ReplacementUnderpricedError

An attempt was made to replace a transaction, but with an insufficient additional fee to afford evicting the old
transaction from the memory pool.

## Extends

* [`quaisError`](/sdk/content/interfaces/quaisError)\<`"REPLACEMENT_UNDERPRICED"`>

## Properties

| Property | Type | Description | Inherited from |
| :- | :- | :- | :- |
| `code` | [`ErrorCode`](/sdk/content/type-aliases/ErrorCode) | The string error code. | [`quaisError`](/sdk/content/interfaces/quaisError).`code` |
| `error?` | `Error` | Any related error. | [`quaisError`](/sdk/content/interfaces/quaisError).`error` |
| `info?` | `Record`\<`string`, `any`> | Additional info regarding the error that may be useful.<br /><br />This is generally helpful mostly for human-based debugging. | [`quaisError`](/sdk/content/interfaces/quaisError).`info` |
| `shortMessage` | `string` | A short message describing the error, with minimal additional details. | [`quaisError`](/sdk/content/interfaces/quaisError).`shortMessage` |
| `transaction` | [`TransactionRequest`](/sdk/content/type-aliases/TransactionRequest) | The transaction. | - |


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