Class components compatibility

[Ashilex]

Is usage supported in react class components? I am using [email protected]

error reported in console

react.development.js:1622  Uncaught TypeError: Cannot read properties of null (reading 'useState')
    at useState (react.development.js:1622:1)
    at TagCloud (TagCloud.js:161:1)
    at renderWithHooks (react-dom.development.js:14803:1)
    at mountIndeterminateComponent (react-dom.development.js:17482:1)
    at beginWork (react-dom.development.js:18596:1)
    at HTMLUnknownElement.callCallback (react-dom.development.js:188:1)
    at Object.invokeGuardedCallbackDev (react-dom.development.js:237:1)
    at invokeGuardedCallback (react-dom.development.js:292:1)

thanks