TypeError: Class extends value undefined is not a constructor or null

I am trying to making a discord bot system. I got this error and i can’t solve it. Can you help me? I can share my project.

rbd/pnpm-volume/949c1ef2-da23-4c9c-994b-8548a5732e4f/node_modules/.github.com/dirigeants/klasa/aee79a51a6e845b6678e96fdd1a7cc1e27fda435/node_modules/klasa/src/lib/extensions/KlasaUserStore.js:7
class KlasaUserStore extends UserStore {
                             ^

TypeError: Class extends value undefined is not a constructor or null
    at Object.<anonymous> (/rbd/pnpm-volume/949c1ef2-da23-4c9c-994b-8548a5732e4f/node_modules/.github.com/dirigeants/klasa/aee79a51a6e845b6678e96fdd1a7cc1e27fda435/node_modules/klasa/src/lib/extensions/KlasaUserStore.js:7:30)
    at Module._compile (internal/modules/cjs/loader.js:759:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:770:10)
    at Module.load (internal/modules/cjs/loader.js:628:32)
    at Function.Module._load (internal/modules/cjs/loader.js:555:12)
    at Module.require (internal/modules/cjs/loader.js:666:19)
    at require (internal/modules/cjs/helpers.js:16:16)
    at Object.<anonymous> (/rbd/pnpm-volume/949c1ef2-da23-4c9c-994b-8548a5732e4f/node_modules/.github.com/dirigeants/klasa/aee79a51a6e845b6678e96fdd1a7cc1e27fda435/node_modules/klasa/src/lib/Client.js:25:24)
    at Module._compile (internal/modules/cjs/loader.js:759:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:770:10)

we will need to see some code to help :wink:

so, please do share it.

I dont know where is the problem. I import it from github. I think this is a module error but i dont know. I can share my project in pm if you want.

yes, please do.

( ignore, forum 20 character limit )

the problem still continues…