error call in array migration

[ProofOfKeags]

I am attempting to do an initial schema migration (generate database from empty schema) and it is complaining that it cannot do array migrations, It appears that the offending error call is here:

pgUnboundedArrayType :: PgDataTypeSyntax -> PgDataTypeSyntax
pgUnboundedArrayType (PgDataTypeSyntax _ syntax serialized) =
    PgDataTypeSyntax (error "Can't do array migrations yet")
                     (syntax <> emit "[]")
                     (pgDataTypeJSON (object [ "unbounded-array" .= fromBeamSerializedDataType serialized ]))

Is there any reason I can't just replace error with an actual description or oid and PR that in, or is that change substantially more involved than it first appears? At the moment I only need it to do the trivial migrations for me, so this seems like it would be OK.