I've got the same issue as well. Also get it if i try to added waypoints.
I've also tried to load a route from the EXpert Library and get a database error
A Database Error Occurred
Error Number:
ERROR: WKB structure does not match expected size!
SELECT *, ST_AsGeoJSON(polygon) as geojson FROM "countries"."regions" WHERE "id" = '104' LIMIT 1
Filename: /app/models/geometry_model.php
Line Number: 296