bug-fix: navigation: cutting elements in the navigation repeatedly does not work; simple fix: extend the cache in this case 
bug-fix: navigation: cutting elements in the navigation repeatedly does
not work; simple fix: extend the cache in this case 
GreenDelta/olca-app,GreenDelta/olca-app,GreenDelta/olca-app,GreenDelta/olca-app,GreenDelta/olca-app,GreenDelta/olca-app