Quickstart
- Knowledge Base
  - Introduction
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Connect
- FAQs
  - Auth FAQ
  - Account Abstraction FAQ
  - In-App Wallets FAQ
  - Connect FAQ
Contracts
- FAQs
  - Explore FAQ
  - Publish FAQ
  - Build FAQ
  - Deploy FAQ
  - Interact FAQ
- How To
  - Claim from drop contract using contract explorer
  - Importing non-thirdweb contracts into the Dashboard
  - Airdrop Contract Troubleshooting
  - Trouble Claiming from the Embed
  - Customizing the Embed
  - Batch Upload Troubleshooting
  - Transferring ownership of a contract
  - How to close Auction Listings in a Marketplace
  - Take a Snapshot of Existing Holders
  - openPack Function out of gas
  - NFT Drop claim function parameters
  - NFT metadata structure
  - WalletConnect Prefab Required for Connect Wallet (Native) Prefab
  - How to use the multicall() function
  - Start Token ID at 1 instead of 0
  - Why can’t I claim an NFT from the embed on mobile?
  - Where can I see the audited contract reports?
  - How can I get my NFTs to show up on OpenSea or other marketplaces?
  - What are Platform Fees?
  - Why am I unable to use the same token for staking and rewards?
  - Understanding gas, Gwei, and cost saving strategies
  - How to make your NFTs non-transferrable aka Soulbound
  - SetApprovalForAll: what it means to grant access to all your NFTs
  - Staking Contract Troubleshooting - Not Owned or Approved
  - Token showing “Mintable” on dex scanner after renouncing
  - When will my collection show up on OpenSea?
  - My Collection is Not Showing Up
  - My Collection is Not Showing Up
  - NFTs Aren’t Revealing
Engine
- FAQs
  - Change my Engine admin (Cloud-hosted)
  - Using Engine as a relayer
  - Run Engine locally
  - Deploy Engine on Railway
  - Deploy contracts using OP Credits with thirdweb Engine
  - Unable to connect to Engine: Ensure that your Engine is publicly accessible
  - Cloud-hosted vs self-hosted Engine
  - Error: DEPTH_ZERO_SELF_SIGNED_CERT (Self-hosted)
Infra
- FAQs
  - RPC
  - Storage
- How To
  - Blockscout API contract verification
  - Token verification on Etherscan
  - Blockscout API contract verification
  - Token verification on Etherscan
General thirdweb Issues
- FAQs
  - Billing
  - Security & Privacy
- React
  - How to display a custom token on ConnectButton
  - How to migrate read-only hooks from thirdweb v4 to v5
  - How to get the signer for connected wallet
- Javascript
  - How to generate a private key account using the thirdweb SDK
  - How to generate merkle root for airdrop contract using SDK
  - How to take a snapshot of an ERC721 collection
  - How to check if a provided address is a contract address or wallet address
  - How to verify a contract using thirdweb SDK
  - How to check if a contract is an ERC721/ERC1155/ERC20 contract
  - How to fetch contract metadata
  - How to retrieve tokenIds from the lazyMint method
  - How to shuffle items when lazy minting
  - How to get all tokenIDs in an NFT contract
- Others
  - How to resolve ENS address
  - How to resolve ENS avatar
  - How to resolve ENS name?
  - How to signature mint using the thirdweb v5 SDK
  - How to update NFT metadata for drop contract via thirdweb SDK
  - How to update NFT metadata for via NFT Collection/Edition Contract
  - How to distribute funds on spilt contract with explorer
  - How to Find NFTs by Owner for an NFT Drop Contract
  - How to add a contract to the thirdweb dashboard via code
  - How to update the metadata for multiple NFTs
  - How to find the contract address from your transaction hash after deploying a contract
  - How to upload a single NFT via thirdweb explorer?
  - How to secure your API Keys
  - How to transfer native tokens
  - How to add a custom RPC URL into your front-end, backend, or dashboard
  - How to add your EVM chain to thirdweb’s Chainlist?
Commonly Seen Onchain Errors
- Application errors
  - This action requires a connected wallet to sign the transaction. Please pass a valid signer to the SDK.
  - [ethjs-query] while formatting outputs from RPC
  - Unity Error: "Multiple precompiled assemblies with the same name Newtonsoft.Json.dll included on the current platform”
  - Unity SDK Error: this functionality is not yet supported on the current platform
  - How to share your console log errors
  - 401 Unauthorized
  - Unauthorized - You don't have permission to use this service
  - We are not able to process your request at this time. Please contact thirdweb support.
  - ERR_FAILED_413
- RPC Errors
  - Transaction underpriced
  - Replacement transaction underpriced / Replacement fee too low
  - Cannot estimate gas; transaction may fail or may require manual gas limit
  - Nonce too low: next nonce #, tx nonce #
  - Nonce too high
  - ErrorData: 0x
  - Execution reverted (-32000)
  - Invalid request (-32600)
  - Invalid params / Invalid arguments (-32602)
- Onchain Errors
  - AA21 didn’t pay prefund
  - Paymaster deposit too low
  - Invalid UserOperation signature or paymaster signature
  - Execution Reverted: !Tokens
  - Execution reverted: !QTY
  - Execution reverted: ST
  - Insufficient funds for gas * price + value / Insufficient funds for intrinsic transaction cost
  - Execution reverted: !BAL20
  - Execution reverted: !BALNFT
  - Execution reverted: proof claimed
  - Execution reverted: !ADMIN
  - Execution reverted: !CONDITION
  - Execution Reverted: Not within the sale window
  - Execution Reverted: !Amt Error
  - ERC20 - Transfer Amount Exceeds Allowance
  - Account 0x… is missing role 0x…
  - Execution reverted !V
- CLI Errors
  - npm ERR! syscall spawn git
  - Issue linking device on the authorization page via thirdweb cli
General
Payments
More

[ethjs-query] while formatting outputs from RPC

What it means

This error may occur if the RPC returned a non-standard formatted error.

How to fix it

While this error may be caused by many issues, common errors include:

transaction underpriced

insufficient funds for gas * price + value

See troubleshooting for those errors for more details.

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This action requires a connected wallet to sign the transaction. Please pass a valid signer to the SDK. Unity Error: "Multiple precompiled assemblies with the same name Newtonsoft.Json.dll included on the current platform”