Issue Details

Number

30177

Title

show error "could not sign any more inputs" when sign PSBT for multisig

Description

### Is there an existing issue for this? - [X] I have searched the existing issues ### Current behaviour show error "could not sign any more inputs" when sign PSBT for multisig ### Expected behaviour will sign succ and broadcast. 1. descriptor wallet in testnet 3. [create 2/3 multisig wallet and operation](https://github.com/bitcoin/bitcoin/blob/master/doc/multisig-tutorial.md) 4. failed if create unsigned using GUI 5. succ if using walletprocesspsbt/sendrawtransaction RPC 6. I've search the internet, "could not sign any more inputs" is all about pass phrase, is not my issue. ### Steps to reproduce 1. create unsigned using GUI in a 2/3 multisig wallet, copy 2. load PSBT from clipboard in a signer wallet 3. PSBT operation window, and show "Transcation has 1 unsigned inputs" 4. click "sign TX", show error "could not sign any more inputs" ### Relevant log output _No response_ ### How did you obtain Bitcoin Core Compiled from source ### What version of Bitcoin Core are you using? Bitcoin Core version v27.0.0 ### Operating system and version MacOS 14.4.1 ### Machine specifications _No response_

URL

https://github.com/bitcoin/bitcoin/issue/30177

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