None of the following candidates is applicable because of a receiver type mismatch

Problem description

Unresolved Reference
None of the following candidates is applicable because of a receiver type mismatch:
* internal val File.root: File defined in kotlin.io

background

1. No code change
2. build however
3. others build Yes
4. Use AndroidStudio The versions are the same
5. The above error appears
6. 「Invalidate Caches」、「Clean & Build」、「Rebuild」 It 's not easy

solve

1. First step 「Clean」
2. The second step Delete 「.gradle」 & 「.buildCacheDir」
3. The third step 「Build」

Okay , It should be OK .

If it doesn't , After the first step 「Invalidate Caches」 once