Android Question Mobac Custom Mapsforge zoom level 19

RB Smissaert

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Longtime User
Using OSMDroid 4.1 and made a map of a small area in the UK with Mobac and Custom Mapsforge. Specified zoom levels are from 12 to 19. Format of the map file is OSMDroid SQLite, so file extension is .mbtiles. This is the data in the table metadata in the map file:

name value
bounds -2.115,52.558,-2.063,52.644
name Mapnik
type baselayer
version 1.1
description TMP4 created on 2018-06-18 22:31:42 by MOBAC
format png

All works perfectly fine, except one thing and that is that with zoom level 19 the map only shows if you move to an area in a zoom level below 19 and then zoom up to level 19. If you then move (being in zoom level 19) to an other area of the map the map doesn't show anymore. Moving then down to level 18 and up again to level 19 makes the map appear again.

Any idea what is going on here?
I can't see anything in my code to explain this.

RBS
 
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