Room “Not sure how to convert a Cursor to this method's return type”: which method?

Question

Error:Not sure how to convert a Cursor to this method\'s return type
Error:Execution failed for task \':app:compileDebugJavaWithJavac\'.
Compilation failed; see the          


        

Answer 1

For my case, after got "Not sure how to convert a Cursor to this method's return type”:

delete the "build" and re-build, the error disappear.