### 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 (!checksum_valid) {
        fDecryptionThoroughlyChecked = false;
    }
    return AddCryptedKeyInner(vchPubKey, vchCryptedSecret);
}
bool LegacyScriptPubKeyMan::AddCryptedKeyInner(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
{
    LOCK(cs_KeyStore);
    assert(mapKeys.empty());
    mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret);
    ImplicitlyLearnRelatedKeyScripts(vchPubKey);
    return true;
}
bool LegacyScriptPubKeyMan::AddCryptedKey(const CPubKey &vchPubKey,