Mod load crash when trying to run both mods, not sure who's mod is having the issue.

Without a logfile I wouldn't know either.

https://pastebin.com/zWsTqpJr

The bug is with Frozen Worlds.
It tries to create a variant of a lighted pole and looks only for item.icon instead of item.icons and item.icon (in that order to be consistent with how factorio looks at the properties).
That mod will also fail to load bob's mods and especially shinybobs or cargo ships (using different icon_size per layer).

I'll let them know, it seems to load with Bob's but it does have an issue with Angels Smelting.