Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'toString')

[Angela Melinda]

Expected Behavior

No Errors

Actual Behavior

I got
Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'toString')
It seems this error occurred in ignoreCaseEquals function in Messages.ts

Steps to Reproduce the Problem

1. n/a

Specifications

• Version: 1.8.3
• Platform: n/a
• Subsystem: n/a

[Alex Gyoshev]

It appears that this may happen when an event is triggered with an "undefined" parameter, e.g. Leanplum.track('Purchase', { item: undefined }). Adding a patch with this assumption.

Providing steps to reproduce the problem would eliminate the guesswork.