JOSM runs out of memory when scrolling down the "Properties / Memberships" window

[Atalanttore]

JOSM runs out of memory when scrolling down (click in the lower side of the scroll bar) the "Properties / Memberships" window of a specific node. The specific node is number ​52943358, which is the place tag of the city of Luxembourg.

Screenshot of error message:

strace log:

futex(0x7f54e87019d0, FUTEX_WAIT, 2778, NULL) = ? ERESTARTSYS (To be restarted)
--- SIGTERM (Terminated) @ 0 (0) ---
futex(0x7f54e78e27a0, FUTEX_WAKE_PRIVATE, 1) = 1
rt_sigreturn(0x7f54e78e27a0)            = 202
futex(0x7f54e87019d0, FUTEX_WAIT, 2778, NULL <unfinished ... exit status 143>

Atalanttore