設定トラブルシューティングトラブルシューティング注目記事 MetaMask Troubleshooting User Guide Explore our user guide for troubleshooting common wallet issues.How to restart MetaMask Learn how to restart the extension.ヘルプ How to check the status of an open Support ticket Learn how to check the status of your open MetaMask support ticket. Track updates via email or through the Support site.Fix MetaMask error: Cannot read property 'balance' of undefined Learn how to fix the MetaMask 'Cannot read property 'balance' of undefined' error.How to fix MetaMask ethjs-query error 'transaction underpriced' Learn how to fix the MetaMask 'ethjs-query: while formatting outputs from RPC – Transaction Underpriced' error.How to fix MetaMask error 'Exception is thrown in contract code/in contract execution' Learn how to troubleshoot the “Exception is thrown in contract code” error when interacting with smart contracts.How to fix MetaMask conversion error 'number-to-bn while converting number '0xNaN' to BN.js instance Discover how to resolve the 'number-to-bn while converting number' error.How to fix MetaMask error 'Unable to find conversion rate' Learn how to resolve the 'Unable to find conversion rate' error.How to fix MetaMask error: 'Unable to locate this TxnHash' Learn how to solve the MetaMask “Unable to locate this txnHash” error.How to fix MetaMask error: undefined is not an object Learn how to fix the MetaMask “undefined is not an object” error.How to fix 'Invalid Seed Phrase' error (Invalid Secret Recovery Phrase) You can check possible misspellings against the BIP-39 list.How to fix 'Can't import a token' issue in MetaMask Portfolio Learn why tokens may not appear or import in your MetaMask Portfolio Dashboard.How to troubleshoot Infura connectivity issues in MetaMask Different solutions to resolve Infura connectivity errors.How to fix 'MetaMask is unable to connect to the blockchain host' error Learn how to fix MetaMask’s “Unable to connect to the blockchain host” error.How to fix MetaMask error 'Balance may be outdated', displays in orange, or missing ETH Learn why MetaMask shows “Balance may be outdated” or missing ETH.How to revert MetaMask to an earlier or custom version in Chrome Not recommended unless you're a software developer or a Support agent recommends it.How to fix token mismatch between MetaMask app and portfolio dashboard Learn why your MetaMask Dashboard shows different tokens than your wallet.How to fix MetaMask 'invalid password' unlock error Discover why MetaMask shows an “Invalid password” error when unlocking.
How to check the status of an open Support ticket Learn how to check the status of your open MetaMask support ticket. Track updates via email or through the Support site.
Fix MetaMask error: Cannot read property 'balance' of undefined Learn how to fix the MetaMask 'Cannot read property 'balance' of undefined' error.
How to fix MetaMask ethjs-query error 'transaction underpriced' Learn how to fix the MetaMask 'ethjs-query: while formatting outputs from RPC – Transaction Underpriced' error.
How to fix MetaMask error 'Exception is thrown in contract code/in contract execution' Learn how to troubleshoot the “Exception is thrown in contract code” error when interacting with smart contracts.
How to fix MetaMask conversion error 'number-to-bn while converting number '0xNaN' to BN.js instance Discover how to resolve the 'number-to-bn while converting number' error.
How to fix MetaMask error 'Unable to find conversion rate' Learn how to resolve the 'Unable to find conversion rate' error.
How to fix MetaMask error: 'Unable to locate this TxnHash' Learn how to solve the MetaMask “Unable to locate this txnHash” error.
How to fix MetaMask error: undefined is not an object Learn how to fix the MetaMask “undefined is not an object” error.
How to fix 'Invalid Seed Phrase' error (Invalid Secret Recovery Phrase) You can check possible misspellings against the BIP-39 list.
How to fix 'Can't import a token' issue in MetaMask Portfolio Learn why tokens may not appear or import in your MetaMask Portfolio Dashboard.
How to troubleshoot Infura connectivity issues in MetaMask Different solutions to resolve Infura connectivity errors.
How to fix 'MetaMask is unable to connect to the blockchain host' error Learn how to fix MetaMask’s “Unable to connect to the blockchain host” error.
How to fix MetaMask error 'Balance may be outdated', displays in orange, or missing ETH Learn why MetaMask shows “Balance may be outdated” or missing ETH.
How to revert MetaMask to an earlier or custom version in Chrome Not recommended unless you're a software developer or a Support agent recommends it.
How to fix token mismatch between MetaMask app and portfolio dashboard Learn why your MetaMask Dashboard shows different tokens than your wallet.
How to fix MetaMask 'invalid password' unlock error Discover why MetaMask shows an “Invalid password” error when unlocking.