I've encountered this bug before, it doesn't show on minimap nor on the map with marker on top of it, but i managed to find the last piece on the street,it's hard to notice.
[INVESTIGATING] Sweeper job missing 1 last trash bug
oh well, might be a rare bug then....
Bug report by naiv (forum topic #3211)
| Issue # | 964 |
| Issue | Sweeper map blips not shown |
| Description | When doing the Sweeper mission, the red blips on the radar are not all shown, making it hard to find the last rubbish pile. |
| Script area | Sweeper mission |
| Priority | Medium |
| Logged by | Mike |
| Assigned to | Mike |
| Status | Investigating |
| Comments | I thought this issue was resolved before. Need to look at why it's not working. |
This should be fixed in the next update.