[Bug]: claimed failed website says initially “h not in function”

Nobody has claimed this yet.

### Describe the bug

Can’t stake unstake or undelegate my aioz , bridging works fine. Initial the website said “h not in function “ I can do signature request and blind sign on ledger just fine and than it says claim failed.

### Expected behavior

_No response_

### Screenshots/Recordings

_No response_

### Steps to reproduce

Aioz website , go to staking history, click green I for staking or undelegate. Confirm signature request by MM and confirm blind sign by ledger

### Error messages or log output

```shell

```

### Detection stage

In production (default)

### Version

12.15.1

### Build type

None

### Browser

Chrome, Firefox, Microsoft Edge

### Operating system

Windows

### Hardware wallet

Ledger

### Additional context

_No response_

### Severity

Very critical, because I can’t reach my coins.

Start by reproducing the claim failure from the Aioz website's staking history using Chrome, Firefox, or Edge with a Ledger, following the listed signature and blind-sign steps. Trace the resulting claim-failed error in version 12.15.1; done means staking, unstaking, or undelegating completes and the coins are reachable.

Written by the indexing model from the issue text.