next15 using mobx-react-devtools issue

[Kiki-Q]

"mobx": "^6.13.7",
"mobx-react": "^9.2.0",
"mobx-react-lite": "^4.1.0",
"next": "15.2.2",
"react": "^19.0.0",
"react-dom": "^19.0.0",

terminal:

componentWillMount has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.

• Move code from componentWillMount to componentDidMount (preferred in most cases) or the constructor.

Please update the following components: t

nextjs15:

I tried all ways I finded on the Internet,but I didn't solve it ,what's the real problems?I install newest react,it shoud't have this problem riight?