The given key '6188' was not present in the dictionary

Tried running a simulation with weapon enchantment set to ‘Shadowcore Oil’.

Can you link me to the simulation? I was able to run one with shadowcore oil on a test character.

First time it happened: https://www.askmrrobot.com/wow/simulator/report/37b81dd094964e7bb4502ec039a5189a
Test character: https://www.askmrrobot.com/wow/simulator/report/422aadff19fa47eeb5360cc16ba7ca87