[Tilesathome] tiles that refuse to render

[Chris Hill]

I've a couple of tiles that refuse to render (2039, 1321) and (2040, 1321) both at zoom 12 and higher.  Both tiles have rendered with blue backgrounds, now one is blank.  They are not very complex, but they do border large rivers with waterway=riverbank.  Now I see that the blank tile has grey lines top and bottom.

This has been the case for nearly two weeks (I think).  Can someone who understands the rendering process help me fix the data?

Chris
(chillly)




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