Çözüldü Skript Hata

[20:10:17 INFO]: [Skript] Line 55: (mashlylogs.sk)
[20:10:17 INFO]:     "prefix" can't be set to anything
[20:10:17 INFO]:     Line: set "prefix" to "&6&lFLEX&e&lNW &8»" in yaml file "plugins/MashlyLogs/config.yml"
[20:10:17 INFO]:
[20:10:17 INFO]: [Skript] Loaded 1 script with a total of 2 structures in 0.44 seconds
[20:10:17 INFO]: [Skript] Finished loading.
[20:10:17 INFO]: Done (23.602s)! For help, type "help"
[20:10:17 INFO]: Timings Reset
[20:10:18 WARN]: [Essentials] You're 64 EssentialsX dev build(s) out of date!
[20:10:18 WARN]: [Essentials] Download it here: https://essentialsx.net/downloads.html
> sk info
[20:10:29 INFO]: [Skript] Skript's aliases can be found here: https://github.com/SkriptLang/skript-aliases
[20:10:29 INFO]: [Skript] Skript's documentation can be found here: https://docs.skriptlang.org/
[20:10:29 INFO]: [Skript] Skript's tutorials can be found here: https://docs.skriptlang.org/tutorials
[20:10:29 INFO]: [Skript] Server Version: git-Paper-794 (MC: 1.16.5)
[20:10:29 INFO]: [Skript] Skript Version: 2.8.3 (skriptlang-github)
[20:10:29 INFO]: [Skript] Installed Skript Addons:
[20:10:29 INFO]: [Skript]  - skript-yaml v1.4
[20:10:29 INFO]: [Skript]  - skript-reflect v2.4 (https://github.com/SkriptLang/skript-reflect)
[20:10:29 INFO]: [Skript]  - skUtilities v0.9.2 (https://tim740.github.io/)
[20:10:29 INFO]: [Skript]  - skRayFall v1.9.28 (https://sk.rayfall.net/)
[20:10:29 INFO]: [Skript]  - SkQuery v4.1.10
[20:10:29 INFO]: [Skript] Installed dependencies: None

set {_stats} to yaml value "test" in "data-%player%" # test isimli değeri data-%player%.yml üzerinden çekmek
send "%{_stats}%" to sender

 set yaml value "test1" from "test" to "test" # test1 değerini test'ten test'e ayarlar.