### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current behaviour

crash

### Expected behaviour

no crash

### Steps to reproduce

* Compile 79e8247ddb166f9b980f40249b7372a502402a4d
* Type `migratewallet`

### Relevant log output

```
wallet/scriptpubkeyman.cpp:1915: std::optional<MigrationData> wallet::LegacyScriptPubKeyMan::MigrateToDescriptor(): Assertion `IsMine(desc_spk) != ISMINE_NO' failed.
Aborted (core dumped)
```


### How did you obtain Bitcoin Core

Compiled from source

### What version of Bitcoin Core are you using?

current master

### Operating system and version

Linux

### Machine specifications

_No response_
if (!key_in.Derive(key_out, index)) {
        throw std::runtime_error("Could not derive extended key");
    }
}
void LegacyScriptPubKeyMan::DeriveNewChildKey(WalletBatch &batch, CKeyMetadata& metadata, CKey& secret, CHDChain& hd_chain, bool internal)
{
    
    CKey seed;                     
    CExtKey masterKey;             
    CExtKey accountKey;            
    CExtKey chainChildKey;         
    CExtKey childKey;              
    
    if (!GetKey(hd_chain.seed_id, seed))
        throw std::runtime_error(std::string(__func__) + ": seed not found");
    masterKey.SetSeed(seed);
    
    
    DeriveExtKey(masterKey, BIP32_HARDENED_KEY_LIMIT, accountKey);
    
    assert(internal ? m_storage.CanSupportFeature(FEATURE_HD_SPLIT) : true);
    DeriveExtKey(accountKey, BIP32_HARDENED_KEY_LIMIT+(internal ? 1 : 0), chainChildKey);
    
    do {