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Troubleshooting

You can find more troubleshooting tips here: https://github.com/nova-wallet/nova-utils/wiki

Astar DApp Issues

How to transfer Astar assets on EVM account?
  1. 1.
    Create a new wallet in your Nova Wallet application.
  2. 2.
    Select the "DApps" (Android) or "Browser" (iOS) module.
  3. 3.
    Select the "Astar DApp Hub" from the list.
  4. 4.
    Select "Allow" after reviewing the pop up prompt.
  5. 5.
    Select "Nova Wallet (EVM)" from the list.
  6. 6.
    Once you have connected your account, in the "Assets" tab of the Astar DApp, you can copy your Astar EVM account address from the "EVM Account" section -> "Ethereum Extension".
  7. 7.
    You can now send assets to that EVM address.
  8. 8.
    After you have sent assets to that address, you can again connect to the Astar DApp Hub as described above, and then navigate to the "Assets" section to see your balances.
  9. 9.
    When connecting to any EVM DApp on Astar Network, you can select the "Use Metamask Connection" option, and your EVM account should appear.

Parity Signer Troubleshooting

Error: "Bad input data. Input generated within unknown network"
This error occurs when you are trying to sign a transaction for a network which has not yet been added to your Parity Signer!
You can use the Parity Technologies Metadata Portal, or the Nova Wallet Metadata Portal to find QR codes which will provide your Parity Signer Device with the information required to update the chain metadata.
To solve this:
  1. 1.
    Navigate to the appropriate metadata portal. Note: This should be done on a device which is not your Parity Signer Device.
  2. 2.
    Select the appropriate blockchain that you wish to update the metadata for.
  3. 3.
    If you are updating a chain for the first time, Select the "Chain Specs" tab at the top of the metadata portal screen.
  4. 4.
    Using your Parity Signer Device Select "Scan".
  5. 5.
    Scan the Chain Specs QR code with your Parity Signer Device.
  6. 6.
    Review the verifier certificate, and Select "Approve" (Parity Signer Device).
  7. 7.
    Select the "Metadata" tab at the top of the metadata portal screen.
  8. 8.
    Using your Parity Signer Device Select "Scan".
  9. 9.
    Scan the Metadata QR code with your Parity Signer Device. Note: this can take a few minutes to complete.
  10. 10.
    Review the verifier certificate and Select "Approve" (Parity Signer Device).
If you continue to face this error, please report it to us.
Error: "All parsing attempts failed with following errors... Network version decoded from extensions (version) differs from the version in metadata (version)"
This error occurs when your Parity Signer has outdated information about the network you are trying to use.
You can use the Parity Technologies Metadata Portal, or the Nova Wallet Metadata Portal to find QR codes which will provide your Parity Signer Device with the information required to update the chain metadata.
  1. 1.
    Navigate to the appropriate metadata portal. Note: This should be done on a device which is not your Parity Signer Device.
  2. 2.
    Select the appropriate blockchain that you wish to update the metadata for.
  3. 3.
    Select the "Metadata" tab at the top of the metadata portal screen.
  4. 4.
    Using your Parity Signer Device Select "Scan".
  5. 5.
    Scan the Metadata QR code with your Parity Signer Device. Note: this can take a few minutes to complete.
  6. 6.
    Review the verifier certificate and Select "Approve" (Parity Signer Device).
If you continue to face this error, please report it to us.
Error: "bd error - invalid checksum" during scanning with Parity Signer
  1. 1.
    Relaunch the Parity Signer application.
  2. 2.
    Try scanning the QR code again
If you continue to face this error, please report it to us.
Error: "Failed to decode extensions... Network spec version decoded from extensions (version) differs from version in metadata (version)"
This error occurs when your Parity Signer has outdated information about the network you are trying to use.
You can use the Parity Technologies Metadata Portal, or the Nova Wallet Metadata Portal to find QR codes which will provide your Parity Signer Device with the information required to update the chain metadata.
  1. 1.
    Navigate to the appropriate metadata portal. Note: This should be done on a device which is not your Parity Signer Device.
  2. 2.
    Select the appropriate blockchain that you wish to update the metadata for.
  3. 3.
    Select the "Metadata" tab at the top of the metadata portal screen.
  4. 4.
    Using your Parity Signer Device Select "Scan".
  5. 5.
    Scan the Metadata QR code with your Parity Signer Device. Note: this can take a few minutes to complete.
  6. 6.
    Review the verifier certificate and Select "Approve" (Parity Signer Device).
If you continue to face this error, please report it to us.

Still have issues with Parity Signer?

Please let us know by contacting us via email: [email protected] and sending the following information:
  1. 1.
    Issue description — what happened?
  2. 2.
    Parity Signer information: device platform (iOS/Android), app version and the issue on Parity Signer device (if any)
  3. 3.
    Nova Wallet information: device platform (iOS/Android), app version and the issue on Nova Wallet device (if any)
NOTE: Never share your mnemonic passphrase (12 words) and/or other representation of your private keys! Admins/team members will never request it from you. Store your mnemonic passphrase/keys and any backups securely and privately.

EVM Account Importing Issues

Cannot import EVM account via Private Key
Currently importing EVM accounts (such as your Metamask account) via private key is not supported. Please try importing via Mnemonic Seed Phrase.
Metamask import issue when importing 2nd/3rd/… account (need to change derivation path)