Failed to download archive slice

[sokiaobag]

After restoring a Testnet node from a snapshot, sync won't start due to the following error.

$ sudo tail -f /var/ton-work/log /var/ton-work/log.thread*.log
==> /var/ton-work/log.thread1.log <==
[ 2][t 1][2026-05-29 02:43:52.102339487][import-db-slice.cpp:353][!archive]     Failed to download archive slice #60191563 for shard (0,8000000000000000)
==> /var/ton-work/log.thread6.log <==
[ 2][t 6][2026-05-29 02:43:54.248269101][import-db-slice.cpp:353][!archive]     Failed to download archive slice #60191563 for shard (0,8000000000000000)
==> /var/ton-work/log.thread8.log <==
[ 2][t 8][2026-05-29 02:43:56.332113503][import-db-slice.cpp:353][!archive]     Failed to download archive slice #60191563 for shard (0,8000000000000000)
==> /var/ton-work/log.thread4.log <==
[ 2][t 4][2026-05-29 02:43:58.488035321][import-db-slice.cpp:353][!archive]     Failed to download archive slice #60191563 for shard (0,8000000000000000)
==> /var/ton-work/log.thread8.log <==
[ 2][t 8][2026-05-29 02:44:00.523458510][import-db-slice.cpp:353][!archive]     Failed to download archive slice #60191563 for shard (0,8000000000000000)
==> /var/ton-work/log.thread1.log <==
[ 2][t 1][2026-05-29 02:44:02.532480709][import-db-slice.cpp:353][!archive]     Failed to download archive slice #60191563 for shard (0,8000000000000000)
...

The configuration is as follows:

• ton@v2026.05-rc
• mytonctrl@v2.15.0

MyTonCtrl> status fast
...
Version mytonctrl: 43f598c ((HEAD)
Version validator: 9a8439b ((HEAD)

This server was running without any issues until very recently, so the specs shouldn't be the problem. Is there anything we can do to fix this?