I was trying to use Home Graph Viewer Tools, entered my project-id (100% right id) but they returned the error:
Error getting Home Graph: TypeError: undefined is not iterable (cannot read property Symbol(Symbol.iterator))
Please help!
Thanks!
Error detail image
I was trying to re-enter the project-id but nothing changed
Related
How can I resolve the 'TypeError: Cannot read property 'map' of undefined' error in my React application when trying to display data from an API? I have checked that the data is being fetched correctly and that the component is properly receiving the props but the error persists.
How can I resolve it.
The error indicates that somewhere in your code there's a line that contains
xxxx.map
or
xxxx.map(...)
and that at the moment that line is reached, xxxx is undefined.
You can resolve that by making sure that xxxx is defined before asking for it's map attribute or calling it's map() method.
Don't you have a stacktrace in your browser's console? That should point you to the place in your code where that xxxx.map is located.
Im new to react, i want to get input and store the input to the smartcontract. but i keep getting this error, can someone help me ?
this is the file (https://github.com/fahmifakhir/voting-dapp/blob/main/CreateVoting.js
I'm trying to update a 2 year old project, and I've been having so much trouble after updating the dependencies
Right now after running 'next build', I keeps seeing:
Error occurred prerendering page "/japan-vlogs". Read more: https://nextjs.org/docs/messages/prerender-error
TypeError: Cannot read properties of null (reading 'useMemo')
for every page in my project
How do I even begin to debug this? The docs site has 5 different options and none of which say anything about the react dom server browser or use memo
screenshots hosted here:
https://github.com/vercel/next.js/discussions/44171#discussion-4678699
The error message "TypeError: Cannot read properties of null (reading 'useMemo')" indicates that you are trying to access a property of an object that is null or undefined. This can occur if you are trying to access a property of an object that has not been initialized, or if you are trying to access a property of an object that has been set to null.
From the Screenshot you provided it indicates that in "JapanVlog" you are trying to use ternary operator or short circuit,
Try this:
Change <Japan/> : null to <Japan/>. if you wanna dynamically display Component try useState Hooks instead
if that doesn't work
Search every function using useMemo() Hooks
Check is any of those function returns null
Hope that works
not able to understand why TypeError: Cannot read properties of undefined (reading 'registerVersion') this error is coming
i am trying to implement firebase
In form validation in react js , it is getting error why?
this is my code
enter image description here
You need to bind this in your methods. By convention, this is done in the constructor.
Examples can be found here.