The seed contains a island with three trees seed is 4626169594062345688
I'm sure it does. Somewhere.
However, you spawn in a Savanna biome a long way from any islands.
Here's a map of "4626169594062345688" using PCMC v1.12.2.
OIC
You left off the minus sign. The correct seed is "-4626169594062345688".
However, the island I spawned on has 6 oak trees and one birch tree.
There are no dangerous weapons. There are only dangerous people. R.A. Heinlein
If you aren't part of the solution, then you obviously weren't properly dissolved.
The seed contains a island with three trees seed is 4626169594062345688
I'm sure it does. Somewhere.
However, you spawn in a Savanna biome a long way from any islands.
Here's a map of "4626169594062345688" using PCMC v1.12.2.
OIC
You left off the minus sign. The correct seed is "-4626169594062345688".
However, the island I spawned on has 6 oak trees and one birch tree.
Here's the map for "-4626169594062345688"
There are no dangerous weapons. There are only dangerous people. R.A. Heinlein
If you aren't part of the solution, then you obviously weren't properly dissolved.
The latest release of Amidst, version 4.6 can be found here:
https://github.com/toolbox4minecraft/amidst/releases
You should probably also read this:
https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-tools/2970854-amidst-map-explorer-for-minecraft-1-14
You can find me on the Minecraft Forums Discord server.
https://discord.gg/wGrQNKX