Raised when registering a module of queries compiled against a roux
whose definition format is not this one's (Roux.Query.format/0):
what it generated is not what this roux reads, so none of it runs.
format is the module's (nil for a roux older than the stamp: 0.1
and the 0.2 development builds before it), expected this roux's.
Summary
Types
@type t() :: %Roux.Query.FormatError{ __exception__: true, expected: pos_integer(), format: pos_integer() | nil, module: module() }