apollo-compiler 1.31.1

Error: `WEEKDAY` has no enum values
   ╭─[ 0116_enum_definition_with_missing_values.graphql:6:1 ]
   │
 6 │ enum WEEKDAY
   │ ──────┬─────  
   │       ╰─────── WEEKDAY type defined here
   │ 
 8 │ extend enum WEEKDAY @foo
   │ ────────────┬───────────  
   │             ╰───────────── WEEKDAY extension defined here
   │ 
   │ Help: Define one or more enum values on `WEEKDAY` or its type extensions.
───╯