I was updating the runtime via sudo with some specific wasm file.

What is the reason of error while upgrading the runtime? enter image description here

  • How do you get the WASM code? Which file did you use in the wbuild folder?
    – AurevoirXavier
    Commented Oct 8, 2022 at 2:52

1 Answer 1


If you want to upgrade the parachain runtime, please use parachainSystem.authorizeUpgrade, upload your wasm and then parachainSystem.enactAuthorizedUpgrade and upload your wasm. enter image description here enter image description here

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