Hello,
This morning I planned a route 25 NM around EBGB and noticed that several NOTAMs were showed multiple times. I could not directly find any reason for this. When looking at the details of the first occurence - I can see NOTAM identifier. When I try to look at the details of the second occurrence, the details of the NOTAM identifier appears... at the first occurrence of the NOTAM.
One example in the screenshot below...