This is in Android!!!
Chromium Version 89.0.4389.90 (Official Build) snap (64-bit)
Xubuntu Linux 20.04 LTS
When using the map component, if I make a linestring not visible in the designer (untick the Visible checkbox), then I get an error message:
Happens when just working in designer, or when connected to companion app
mapLinestringBug.aia (1.2 KB)