What i did / Steps to reproduce

Expected result

[10:17:06 INFO]: [BlueMap] Baking resources...
[10:17:06 INFO]: [BlueMap] Resources loaded.
[10:17:06 INFO]: [BlueMap] Initializing Storage: 'file' (Type: FILE)
[10:17:06 INFO]: [BlueMap] WebServer bound to: 0.0.0.0/0.0.0.0:8123
[10:17:06 INFO]: [BlueMap] WebServer started.
[10:17:10 INFO]: [BlueMap] Loaded!

Actual result

[10:17:06 INFO]: [BlueMap] Baking resources...
[10:17:06 INFO]: [BlueMap] Resources loaded.
[10:17:06 INFO]: [BlueMap] Initializing Storage: 'file' (Type: FILE)
[10:17:06 INFO]: [BlueMap] WebServer bound to: 0.0.0.0/0.0.0.0:8123
[10:17:06 INFO]: [BlueMap] WebServer started.
[10:17:10 ERROR]: [BlueMap] BlueMapAPI: A BlueMapAPI listener threw an exception (onEnable)!
java.lang.NullPointerException: Cannot invoke "com.earth2me.essentials.User.getHomes()" because "user" is null
at org.popcraft.bluemapessentials.BlueMapEssentials.addHomeMarkers(BlueMapEssentials.java:140) ~[BlueMap-Essentials.jar:?]
at org.popcraft.bluemapessentials.BlueMapEssentials.addMarkers(BlueMapEssentials.java:91) ~[BlueMap-Essentials.jar:?]
at org.popcraft.bluemapessentials.BlueMapEssentials.lambda$onEnable$0(BlueMapEssentials.java:50) ~[BlueMap-Essentials.jar:?]
at de.bluecolored.bluemap.api.BlueMapAPI.registerInstance(BlueMapAPI.java:201) ~[BlueMap.jar:?]
at de.bluecolored.bluemap.common.api.BlueMapAPIImpl.register(BlueMapAPIImpl.java:137) ~[BlueMap.jar:?]
at de.bluecolored.bluemap.common.plugin.Plugin.load(Plugin.java:319) ~[BlueMap.jar:?]
at de.bluecolored.bluemap.bukkit.BukkitPlugin.lambda$onEnable$0(BukkitPlugin.java:147) ~[BlueMap.jar:?]
at org.bukkit.craftbukkit.v1_19_R2.scheduler.CraftTask.run(CraftTask.java:101) ~[purpur-1.19.3.jar:git-Purpur-1861]
at org.bukkit.craftbukkit.v1_19_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[purpur-1.19.3.jar:git-Purpur-1861]
at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[purpur-1.19.3.jar:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
[10:17:10 INFO]: [BlueMap] Loaded!

Context

BlueMap Version:
BlueMap 3.7
BlueMap-Essentials 1.1.0
Current: git-Purpur-1861 (MC: 1.19.3)*
EssentialsX 2.20.0-dev+20-582a357 (build 1441, commit 582a357)

Not an issue with BlueMap. Raise an issue over at the BlueMap-Essentials repository.