No importer named name2uuid found

[Muspah]

Quick issue, stumbled upon this error while starting a new server from latest SNAPSHOT:

[16:56:28 INFO]: [us.talabrek.ultimateskyblock.utils.file.FileUtil] No plugins/uSkyBlock/signs.yml found, it will be created
[16:56:28 INFO]: Converting data to UUID, this make take a while!
[16:56:28 INFO]: No importer named name2uuid found
[16:56:28 INFO]: Flushed 0 islands, 0 players and 0 challenge-completions.
[16:56:28 INFO]: [uSkyBlock] §7Name: §buSkyBlock
§7Version: §b3.1.0-SNAPSHOT
§7Description: §bUltimate SkyBlock v3.1.0-SNAPSHOT-bd879b9
§7Language: §ben (en)
§9 State: d=128, r=64, i=0, p=0, n=true, awe=false
§7Server: §ePaper 1.20.6-151-a4f0f5c (MC: 1.20.6)
§9 State: online=true, bungee=false
§7------------------------------
§7§dVault §f1.7.3-b131 §7(N/A§7)
§7§dWorldEdit §f7.3.10-beta-01+cb9fd58 §7(N/A§7)
§7§dWorldGuard §f7.0.10+d9424b1 §7(N/A§7)
§7§dMultiverse-Core §f4.3.14 §7(N/A§7)
§7§dMultiverse-NetherPortals §f4.2.3 §7(N/A§7)
§7------------------------------