Os error while deploying asset canister

Hey, does anybody know why i get this error while trying to update my already existing asset canister(Frontend)?

Error: Failed while trying to deploy canisters.
Caused by: Failed while trying to deploy canisters.
  Failed while trying to install all canisters.
    Failed to install wasm module to canister 'AppicFrontend'.
      An error happened during communication with the replica: error sending request for url (https://icp0.io/api/v2/canister/dduc6-3yaaa-aaaal-ai63a-cai/read_state): error trying to connect: tcp connect error: Connection refused (os error 111)

What dfx version are you using?

I use version 0.19.0

Can you please try to update to 0.20.0? Some users did report this error and it should have been fixed on 0.20.0.

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Thanks, it was due to the DFX version, after update it started to work.

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