How give perm for single doctype

Frappe Framework Permissions
1

I’ve added permission in permission tabel for the respective user but it wan’t working, On save of doctype it prompt a msgprint as “Report cannot be set for Single types”

Is there anyother way to push the perm for user?

2

Any ways to sort?

3

i have same pblm any way

4

I have the same issue too, I anyone has solution can help me