Upgrade sandstone ceiling tile to aquilonian ceiling tile oddity

[Will_L]

Game mode: [Online official]
Type of issue: [Bug]
Server type: [PvE]
Region: [US East Coast]

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When upgrading from a sandstone ceiling tile placed atop a sandstone pillar to an aquilonian ceiling tile, the sandstone tile remains in place and shows through in patches on the new aquilonian tile. You can remove it using the “E” interface but have to be careful to insure that the sandstone tile is targeted. Does not happen with ceilings not on top of pillars.

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Please provide a step-by-step process of how the bug can be reproduced. The more details you provide us with the easier it will be for us to find and fix the bug:

1. Have a sandstone ceiling tile on top of a sandstone pillar.
2. Upgrade the ceiling tile to aquilonian.
3. Look at a very ugly combined ceiling tile.

[Kwalya]

I’ve had this happen when I upgraded from sandstone to stonebrick as well.
Occurring not only when upgrading ceiling tiles on top of pillars, but also:
Fence foundations
Fences
Foundations

It is random and I can not reliably reproduce it so did not make a bug report.

[HertogJan71]

I have seen this too at of my buildings when I upgraded from T1 to T3 Aquilonian (especially with ceiling tiles on foundation pilars) but I was able to remove the T1 building pieces safely. Never seen it when I upgraded to other T3 building styles.