Also, I got the message when onloading openstreetmap package:
package or namespace load failed for ‘OpenStreetMap’:
.onLoad failed in loadNamespace() for 'rJava', details:
call: fun(libname, pkgname)
error: No CurrentVersion entry in Software/JavaSoft registry! Try re-installing Java and make sure R and Java have matching architectures.
Warning message:
package ‘OpenStreetMap’ was built under R version 3.6.3