MARKLESS_PROTOCOL_VERSION_MISMATCH

Unsupported resumability protocol version: a Markless runtime error.

Error from the runtime, while a page renders or runs.

What happened

Markless prints the message, the reason, and a suggestion:

MARKLESS_PROTOCOL_VERSION_MISMATCH: Unsupported <type> protocol version <actualVersion>.
The <type> payload must use a supported protocol version.
Serve a <type> payload generated by this runtime.
https://markless.dev/errors/MARKLESS_PROTOCOL_VERSION_MISMATCH

Words in angle brackets change from case to case.

How to fix it

Start with the suggestion in the message above.

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Where it comes from

@markless/serializer raises this code. Source:

• packages/serializer/src/protocol-client.ts
• packages/serializer/src/protocol-validation.ts

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