Every time i start Minceraft, or start the mining/pumping process my game crashes and gives me this message every time:

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// I feel sad now :(

Time: 1/7/19 5:27 PM
Description: Ticking block entity

java.lang.NullPointerException: Ticking block entity
at nl.requios.effortlessbuilding.Mirror.onBlockBroken(Mirror.java:229)
at nl.requios.effortlessbuilding.EventHandler.onBlockBroken(EventHandler.java:57)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_11_EventHandler_onBlockBroken_BreakEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at buildcraft.lib.misc.BlockUtil.harvestBlock(BlockUtil.java:121)
at buildcraft.lib.misc.BlockUtil.breakBlockAndGetDrops(BlockUtil.java:206)
at buildcraft.factory.tile.TileMiningWell.mine(TileMiningWell.java:66)
at buildcraft.factory.tile.TileMiner.func_73660_a(TileMiner.java:89)
at net.minecraft.world.World.func_72939_s(World.java:1835)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:613)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:767)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:252)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Unknown Source)

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

-- Head --
Thread: Server thread
Stacktrace:
at nl.requios.effortlessbuilding.Mirror.onBlockBroken(Mirror.java:229)
at nl.requios.effortlessbuilding.EventHandler.onBlockBroken(EventHandler.java:57)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_11_EventHandler_onBlockBroken_BreakEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at buildcraft.lib.misc.BlockUtil.harvestBlock(BlockUtil.java:121)
at buildcraft.lib.misc.BlockUtil.breakBlockAndGetDrops(BlockUtil.java:206)
at buildcraft.factory.tile.TileMiningWell.mine(TileMiningWell.java:66)
at buildcraft.factory.tile.TileMiner.func_73660_a(TileMiner.java:89)

-- Block entity being ticked --
Details:
Name: buildcraftfactory:mining_well // buildcraft.factory.tile.TileMiningWell
Block type: ID #400 (tile.miningWellBlock // buildcraft.factory.block.BlockMiningWell // buildcraftfactory:mining_well)
Block data value: 1 / 0x1 / 0b0001
Block location: World: (-78,72,-57), Chunk: (at 2,4,7 in -5,-4; contains blocks -80,0,-64 to -65,255,-49), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Actual block type: ID #400 (tile.miningWellBlock // buildcraft.factory.block.BlockMiningWell // buildcraftfactory:mining_well)
Actual block data value: 1 / 0x1 / 0b0001
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1835)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:613)

-- Affected level --
Details:
Level name: BuildCraft
All players: 1 total; [EntityPlayerMP['MrUnderpants'/1755, l='BuildCraft', x=-79.32, y=72.00, z=-58.47]]
Chunk stats: ServerChunkCache: 368 Drop: 0
Level seed: -6730814651385862990
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: World: (-124,64,-45), Chunk: (at 4,4,3 in -8,-3; contains blocks -128,0,-48 to -113,255,-33), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 2254 game time, 2254 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 45643 (now: false), thunder time: 31269 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:767)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:252)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_171, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 65500376 bytes (62 MB) / 523501568 bytes (499 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
IntCache: cache: 0, tcache: 0, allocated: 14, tallocated: 94
FML: MCP 9.42 Powered by Forge 14.23.5.2768 Optifine OptiFine_1.12.2_HD_U_C9 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                                |
|:--------- |:------------------- |:------------ |:----------------------------- |:---------------------------------------- |
| UCHIJAAAA | minecraft           | 1.12.2       | minecraft.jar                 | None                                     |
| UCHIJAAAA | mcp                 | 9.42         | minecraft.jar                 | None                                     |
| UCHIJAAAA | FML                 | 8.0.99.99    | forge-1.12.2-14.23.5.2768.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCHIJAAAA | forge               | 14.23.5.2768 | forge-1.12.2-14.23.5.2768.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCHIJAAAA | buildcraftlib       | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcraftcore      | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcraftbuilders  | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcraftenergy    | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcraftfactory   | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcraftrobotics  | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcrafttransport | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | buildcraftsilicon   | 7.99.19      | buildcraft-7.99.19 (1).jar    | None                                     |
| UCHIJAAAA | effortlessbuilding  | 0.2          | effortlessbuilding-0.2.jar    | None                                     |
| UCHIJAAAA | roost               | 1.3.0        | roost-1.12-1.3.0.jar          | None                                     |
| UCHIJAAAA | securitycraft       | v1.8.9       | SecurityCraft-1.12.2.jar      | None                                     |
| UCHIJAAAA | thutcore            | 5.19.2       | thutcore-1.12.2-5.19.2.jar    | None                                     |
| UCHIJAAAA | thutcore_compat     | 1.0          | thutcore-1.12.2-5.19.2.jar    | None                                     |
| UCHIJAAAA | thuttech            | 6.1.1        | thuttech-1.12.2-6.1.1.jar     | None                                     |

Loaded coremods (and transformers): 
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Player Count: 1 / 8; [EntityPlayerMP['MrUnderpants'/1755, l='BuildCraft', x=-79.32, y=72.00, z=-58.47]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
OptiFine Version: OptiFine_1.12.2_HD_U_C9
Render Distance Chunks: 8
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: Sildurs Vibrant Shaders v1.17 Lite.zip
OpenGlVersion: 4.5.0 NVIDIA 381.78
OpenGlRenderer: GeForce GTX 1070/PCIe/SSE2
OpenGlVendor: NVIDIA Corporation
CpuCount: 8