Challenge bug

Today i completed: Cruel Challenges - 70% quantity invitation, but on Incandescent (the new Incarnations mini bosses Maven witnessed maps) challenge was not completed, even if quantity was 71%.

https://imgur.com/a/Z5sggqo

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Glacialx#1196 wrote:

Incandescent (the new Incarnations mini bosses Maven witnessed maps)

https://imgur.com/a/Z5sggqo

Incandescent Invitation is what brings you into the Searing Exarch boss fight.

You seem to be confusing it with a different invitation, since your screenshot is showing The Maven's Crucible instead of the Absence of Patience and Wisdom.