Zero Drop Rate for Precursor Tablets after 100+ maps

I have a zero drop rate for Precursor Tablets. I'm in Tier 9 maps and have run over a hundred. I received one tablet drop early on in a Tier 1 map, and nothing since.

Additionally, I have an Act 1 quest to "Travel East" that has become active again.

Is Precursor Tablet drop chance locked behind certain quest data?

This is severely reducing the effectiveness of my Atlas, as I can't use the primary juicing mechanic

Apos91#4728 posted a similar issue here: https://www.pathofexile.com/forum/view-thread/3644882

I didn't have the same steps, but same end result. Act 1 Travel East stuck, zero tablet drops

I got 4-5 when I first started mapping, ever since I took that atlas node that gives +30% drop rate, I haven't even got ONE!

Minor update: I got a single Precursor Tablet to drop in a Trial of Sekhemas lvl67. Still have not seen another in maps

I dropped 5-6 running white maps until I started progressing my atlas tree. I have only seen a couple since after adding points in my atlas to increase the drop rate.

Can't remember if I had problems when I started mapping but my strategy was the same as before, new area, get as many tower in the vicinity and clear the area. So I think I didn't have problems with tablet drops aside from Ritual tablets.