# TxEnvelopeEip4844 Errors

## `TxEnvelopeEip4844.LegacyBlobSidecarWrapperError`

Thrown when attempting to deserialize a legacy 4-element EIP-4844 network wrapper. Only the PeerDAS (EIP-7594) 5-element wrapper with `wrapper_version = 0x01` is accepted.

**Source:** [src/core/TxEnvelopeEip4844.ts](https://github.com/wevm/ox/blob/main/src/core/TxEnvelopeEip4844.ts#L889)