TypeError: null is not an object (evaluating 'cacheKey.indexOf')

[iantropov]

Hi Everybody,

I receive such errors from my error tracking system for users with iOS. Unfortunately, I can't reproduce this, but I think, that this case should be handled.

Stacktrace:

TypeError: null is not an object (evaluating 'cacheKey.indexOf')
File app.min.js line 18 col 23065 in _cacheKeyHasPrefix
File app.min.js line 18 col 22298 in clear
File app.min.js line 18 col 19365 in $clearCache