City Navigator North America NT 2022.20 FID 9147

hi, I used the gmapsupp,img on my Garmin Montana 600

but when I navigate to some locations, I received the following error:
'route calculation error: not enought memory available'

not sure how to fix this, and advice?

erdos wrote:hi, I used the gmapsupp,img on my Garmin Montana 600
but when I navigate to some locations, I received the following error:
'route calculation error: not enought memory available'
not sure how to fix this, and advice?

The gmapsupp.img is 3.27 GB the [Please Register or Login to download file] say there is 3 GB memory if you didn't use an SD card I would say that would give an error like you said.