-tcfail028.hs:4: Couldn't match the kind `ka2534 -> *' against `*'
- When unifying two kinds `ka2534 -> *' and `*'
+tcfail028.hs:4: Couldn't match the kind `ka2551 -> *' against `*'
+ When unifying two kinds `ka2551 -> *' and `*'
In the data declaration for `A'