Looks like you can get a bit of a Node stack trace on mobile

```

  Error: Choose failed Missing field "user_id" in context for bucket_val = user_idError: Choose failed Missing field "user_id" in context for bucket_val = user_id
  at Decider.choose 
  (/src/packages/applications/monolith/bin/index.cjs:19115:41)
  at isCustomFeedsDisabled 
  (/src/packages/applications/monolith/bin/index.cjs:266576:32)
  at Object.shouldInclude 
 (/src/packages/applications/monolith/bin/index.cjs:266612:66)
  at Resolver.shouldIncludeChild (/src/packages/applications/monolith/bin/index.cjs:175841:26)
  at /src/packages/applications/monolith/bin/index.cjs:175901:40
  at Array.reduce (<anonymous>)
  at Resolver.iterate (/src/packages/applications/monolith/bin/index.cjs:175899:22)
  at Resolver.iterate (/src/packages/applications/monolith/bin/index.cjs:175938:55)
  at Resolver.iterate (/src/packages/applications/monolith/bin/index.cjs:175938:55)
  at Resolver.iterate (/src/packages/applications/monolith/bin/index.cjs:175938:55)

```