backtrace:
12-03 13:49:27.007 12325 12325 F DEBUG   :     #00 pc 0037278a  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libqgis_core.so (QgsCoordinateReferenceSystem::QgsCoordinateReferenceSystem(QgsCoordinateReferenceSystem const&)+9)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #01 pc 0041c94b  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libqgis_core.so (QgsMapSettings::destinationCrs() const+6)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #02 pc 004ad6bd  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libqgis_core.so (QgsSnappingUtils::setMapSettings(QgsMapSettings const&)+48)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #03 pc 0005f861  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libcore.so (SnappingUtils::onMapSettingsUpdated()+32)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #04 pc 0013772f  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libQt5Core.so (QMetaObject::activate(QObject*, int, int, void**)+1068)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #05 pc 0005b523  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libcore.so (LayerTreeMapCanvasBridge::setCanvasLayers()+210)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #06 pc 0005bc01  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libcore.so (LayerTreeMapCanvasBridge::LayerTreeMapCanvasBridge(LayerTreeModel*, QgsQuickMapSettings*, QObject*)+536)
12-03 13:49:27.008 12325 12325 F DEBUG   :     #07 pc 0004a4dd  /data/app/ch.opengis.qfield-ACo8fOLWGGAb-lQV1Z4X2A==/lib/arm/libcore.so (QgisMobileapp::QgisMobileapp(QgsApplication*, QObject*)+548)