I get this error when delete object in nested in nestedset in laravel8

Question

i get this error when delete object in nested in nestedset in laravel

"Declaration of Kalnoy\Nestedset\BaseRelation::getRelationCountHash() should be compatible with Illuminate\Database\Eloquent\Relations\Relation::getRelationCountHash($incrementJoinCount = true)

Answer 1

Not compatible to Laravel v8.17.0 https://github.com/lazychaser/laravel-nestedset/issues/479

Fork with fix https://github.com/lazychaser/laravel-nestedset/pull/478#issuecomment-737104992

Answer 2

2022 Update

You can fix this by upgrading to kalnoy/nestedset v6.0.0 now.

this solves the problem

composer.json

"require": {
   .
   . 
   "kalnoy/nestedset": "^6.0.0",
   .
   .
}