# assertPieceCidSize

## Type Aliases

| Type Alias | Description |
| ------ | ------ |
| [ErrorType](/reference/filoz/synapse-core/utils/namespaces/assertpiececidsize/type-aliases/errortype/) | [InvalidUploadSizeError](/reference/filoz/synapse-core/errors/classes/invaliduploadsizeerror/) when the PieceCID size is outside the upload bounds. |