| SYSTEM INFORMATION | |
|---|---|
| OS type and version | Ubuntu Linux 22.04.4 |
| Webmin version | 2.111 |
| Usermin version | 2.010 |
| Virtualmin version | 7.20.2 |
| Theme version | 21.10 |
| Package updates | All installed packages are up to date |
Many thanks @Ilia that explains it. I thought I saw an update come through recently. But must have got confused (probably like many) expecting the theme to be updated at the time of A Virtualmin update 
I guess I should pay more attention to error messages that flash before my eyes
