TypeError: Cannot read property 'id' of undefined

[freezy]

View details in Rollbar: https://rollbar.com/freezy/server/items/42/

TypeError: Cannot read property 'id' of undefined
  File "/var/www/server/production/v3.1.2/src/app/releases/release.storage.ts", line 312, in lodash_1.intersection.version.files.map.f
    			if (!intersection(version.files.map(f => (f._file as FileDocument).id), requestedFileIds).length) {
  File "<anonymous>", line unknown, in CoreMongooseArray.map
  File "/var/www/server/production/v3.1.2/src/app/releases/release.storage.ts", line 312, in release.versions.forEach.version
    			if (!intersection(version.files.map(f => (f._file as FileDocument).id), requestedFileIds).length) {
  File "<anonymous>", line unknown, in CoreMongooseArray.forEach
  File "/var/www/server/production/v3.1.2/src/app/releases/release.storage.ts", line 309, in ReleaseStorage.collectFiles
    		release.versions.forEach(version => {
  File "<anonymous>", line unknown, in <unknown>
  File "internal/process/next_tick.js", line 229, in process._tickDomainCallback [as _tickCallback]