error

/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/node_modules/rethinkdbdash/lib/term.js:2171
      _nestingLevel = self._r.nestingLevel;
                             ^
TypeError: Cannot read property 'nestingLevel' of undefined
    at Term.expr (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/node_modules/rethinkdbdash/lib/term.js:2171:30)
    at Term._wrap (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/node_modules/rethinkdbdash/lib/term.js:2699:34)
    at Term.merge (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/node_modules/rethinkdbdash/lib/term.js:1298:64)
    at /Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/lib/query.js:360:35
    at Object.loopKeys (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/lib/util.js:203:16)
    at Query.getJoin (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/thinky/lib/query.js:307:8)
    at model.index (/Users/bmartin/Work/lumi/lumi-flapjack/common/crud.js:73:14)
    at Object.internals.handler (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/lib/handler.js:94:36)
    at /Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/lib/handler.js:28:23
    at internals.Protect.run (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/lib/protect.js:56:5)
    at exports.execute (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/lib/handler.js:22:22)
    at /Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/lib/request.js:321:13
    at iterate (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/node_modules/items/lib/index.js:35:13)
    at done (/Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/node_modules/items/lib/index.js:27:25)
    at /Users/bmartin/Work/lumi/lumi-flapjack/node_modules/hapi/node_modules/hoek/lib/index.js:781:22
    at process._tickDomainCallback (node.js:492:13)

main.js

_apply: function(s) {
    return s
    .filter(R.row.hasFields('deletedAt').not())
    .skip(offset)
    .limit(perPage);
}