TypeError: Cannot read properties of null (reading 'useMemo')

[craftByElla]

Hello,

I'm currently facing an issue with the @bitnoi.se/react-scheduler component in my Next.js project. After integrating the scheduler into my application, I consistently receive the following runtime error:

TypeError: Cannot read properties of null (reading 'useMemo')

Here is a brief overview of my setup:

Next.js version: 12.1.6 React version: 18.1.0 @bitnoi.se/react-scheduler version: 0.2.0

by the way I'm a beginner dev so sorry if i missed something. Gantt-React.txt Home.txt

[craftByElla]

I Even tried #69 but same error still

[kernex]

Same error here.

[ZiangTian]

same

[amjadmak]

Same Here. using react 18

[amjadmak]

@craftByElla @ZiangTian @kernex

I solved it by changing the version of react and react-dom in package.json as below First: Delete node_modules and package-lock.json Second: Go to package.json and change the version of react and react-dom as below

    "react": "18.2.0",
    "react-dom": "18.2.0",

run npm i

[WenhaoYou1]

@craftByElla @ZiangTian @kernex

I solved it by changing the version of react and react-dom in package.json as below First: Delete node_modules and package-lock.json Second: Go to package.json and change the version of react and react-dom as below

    "react": "18.2.0",
    "react-dom": "18.2.0",

run npm i

It works. Thx.

[inno-zunaid]

Hi my "react": "^18.3.1", "react-dom": "^18.3.1",

i don't want to degrade the react version is there any solution for this..

[domme1908]

Hi - Same here, even with react 18.2.0 and react-dom 18.2.0

[nikolaspoczekaj]

Hello, same here.

[mGasiorek998]

Hi, with the upcoming version we'll update react version to the newest one, so this issue should be fixed. Stay tuned!

[whittssg]

@mGasiorek998 I saw a few new versions since this but I still get the useMemo error on the new ones? Was it fixed or do we still need to downgrade ? Thanks