trying to enable it displays an error

NO LOG FILE! - setting up server logging...
[2020-12-12 13:46:18 INFO] Starting Server
[2020-12-12 13:46:18 INFO] Version 1.16.200.2
[2020-12-12 13:46:18 INFO] Session ID 1b0f4e3d-7504-4555-a19e-42a6fe3e959a
[2020-12-12 13:46:18 ERROR] Error reading file: server.properties
[2020-12-12 13:46:18 INFO] Level Name: level
[2020-12-12 13:46:18 ERROR] Error opening allow list file: whitelist.json
[2020-12-12 13:46:18 INFO] Game mode: 0 Survival
[2020-12-12 13:46:18 INFO] Difficulty: 1 EASY
[2020-12-12 13:46:18 ERROR] Failed to load Vanilla Resource Pack, is the vanilla pack missing from the loaded world?