Hello, could anyone lend me a hand with this? My modded server keeps crashing on launch and I am not sure why, the run.bat thing that I have doesn't launch it either, this is the latest crash log:
 

---- Minecraft Crash Report ----

WARNING: coremods are present:
  PhosphorFMLLoadingPlugin (phosphor-1.12.2-0.2.6+build50.jar)
  MekanismCoremod (Mekanism-1.12.2-9.8.3.390.jar)
Contact their authors BEFORE contacting forge

// Who set us up the TNT?

Time: 15/08/20 23:02
Description: Exception in server tick loop

java.lang.OutOfMemoryError: Java heap space

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 10 (x86) version 10.0
    Java Version: 1.8.0_261, Oracle Corporation
    Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
    Memory: 29392672 bytes (28 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB)
    JVM Flags: 0 total; 
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.5.2854 18 mods loaded, 18 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

    | State | ID                | Version          | Source                                        | Signature                                |
    |:----- |:----------------- |:---------------- |:--------------------------------------------- |:---------------------------------------- |
    | LCH   | minecraft         | 1.12.2           | minecraft.jar                                 | None                                     |
    | LCH   | mcp               | 9.42             | minecraft.jar                                 | None                                     |
    | LCH   | FML               | 8.0.99.99        | forgeserver.jar                               | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCH   | forge             | 14.23.5.2854     | forgeserver.jar                               | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCH   | orbis-lib         | 0.2.0            | orbis-lib-1.12.2-0.2.0+build411.jar           | db341c083b1b8ce9160a769b569ef6737b3f4cdf |
    | LCH   | aether            | 0.3.0            | aether_ii-1.12.2-0.3.0+build411-universal.jar | db341c083b1b8ce9160a769b569ef6737b3f4cdf |
    | LCH   | craftstudioapi    | 1.0.0            | CraftStudio-API-1.12.2.jar                    | None                                     |
    | LCH   | animania          | 1.7.1            | Animania-Mod-1.12.2.jar                       | None                                     |
    | LCH   | cfm               | 6.3.0            | cfm-6.3.0-mc1.12.2.jar                        | None                                     |
    | LCH   | mocreatures       | 12.0.5           | DrZharks MoCreatures Mod-12.0.5.jar           | None                                     |
    | LCH   | horse_colors      | 1.12.2-1.0.2     | horse_colors-1.12.2-1.0.4.jar                 | None                                     |
    | LCH   | inventorysorter   | 1.13.3+57        | inventorysorter-1.12.2-1.13.3+57.jar          | None                                     |
    | LCH   | lightning_bolt    | 1.0              | lightning_bolt-1.12-1.0.jar                   | None                                     |
    | LCH   | mekanism          | 1.12.2-9.8.3.390 | Mekanism-1.12.2-9.8.3.390.jar                 | None                                     |
    | LCH   | mekanismtools     | 1.12.2-9.8.3.390 | MekanismTools-1.12.2-9.8.3.390.jar            | None                                     |
    | LCH   | millenaire        | Millénaire 7.2.1 | millenaire-1.12.2-7.2.1.jar                   | None                                     |
    | LCH   | worldedit         | 6.1.10           | worldedit-forge-mc1.12.2-6.1.10-dist.jar      | None                                     |
    | LCH   | phosphor-lighting | 1.12.2-0.2.6     | phosphor-1.12.2-0.2.6+build50.jar             | f0387d288626cc2d937daa504e74af570c52a2f1 |

    Loaded coremods (and transformers): 
PhosphorFMLLoadingPlugin (phosphor-1.12.2-0.2.6+build50.jar)
  
MekanismCoremod (Mekanism-1.12.2-9.8.3.390.jar)
  mekanism.coremod.KeybindingMigrationHelper
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)

the run.bat file just says this
 

C:\Users\Filip\Desktop\Minecraft Server>java -Xmx4096M -Xms5096M -jar forgeserver.jar nogui
Invalid maximum heap size: -Xmx4096M
The specified size exceeds the maximum representable size.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

C:\Users\Filip\Desktop\Minecraft Server>PAUSE
Press any key to continue . . .