while adding credentials ui showing error

### Jenkins and plugins versions report

Environment

```text
Paste the output here
```

### What Operating System are you using (both controller, and any agents involved in the problem)?

linux ubuntu

### Reproduction steps

1 go to setting
2. under security ---> credentials
3. while adding after click on global
4. seeing error

### Expected Results

it will let add credential

### Actual Results

### Anything else?

_No response_

### Are you interested in contributing a fix?

_No response_

No source file, test, or stack trace is named. Reproduce the problem on Linux Ubuntu through Settings, Security, Credentials, then Add credential and select Global; identify the displayed error and trace it to the relevant credentials-plugin entry point. Done means the credential can be added without the reported error.

Written by the indexing model from the issue text.