A mod is missing a dependency

1 critical found. Every finding below comes from what was actually in the pasted files. Treat the fixes as suggestions: they cover the common causes, and this case may need more digging.

NeoforgeMinecraft 1.21.1Java 21

This looks like a client log, not a server log. The findings below apply to the player's machine.

What this error means, and every way to fix it →

The log

As received, after redaction.

AllErrorsWarnings

1. ---- Minecraft Crash Report ----
2. // Why did you do that?
4. Time: 2026-10-01 03:20:19
5. Description: Mod loading failures have occurred; consult the issue messages for more details
7. net.neoforged.neoforge.logging.CrashReportExtender$ModLoadingCrashException: Mod loading has failed
10. A detailed walkthrough of the error, its code path and all known details is as follows:
11. ---------------------------------------------------------------------------------------
13. -- Mod loading issue for: dungeonblocks --
14. Details:
15. Mod file: /D:/MINECRAFT/Instances/26/mods/dungeonblocks-neoforge-1.21.1-2.3.1.jar
16. Failure message: Mod dungeonblocks requires gottschcore 2.6.0 or above, and below 3.0.0
17. Currently, gottschcore is not installed
19. Mod version: 2.3.1
20. Mod issues URL: https://github.com/gottsch/gottsch-minecraft-dungeonblocks/issues
21. Exception message: <No associated exception found>
23. -- System Details --
24. Details:
25. Minecraft Version: 1.21.1
26. Minecraft Version ID: 1.21.1
27. Operating System: Windows 11 (amd64) version 10.0
28. Java Version: 21.0.7, Microsoft
29. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
30. Memory: 292772040 bytes (279 MiB) / 1811939328 bytes (1728 MiB) up to 19662897152 bytes (18752 MiB)
31. CPUs: 16
32. Processor Vendor: AuthenticAMD
33. Processor Name: AMD Ryzen 7 5700X3D 8-Core Processor
34. Identifier: AuthenticAMD Family 25 Model 33 Stepping 2
35. Microarchitecture: Zen 3
36. Frequency (GHz): 3.00
37. Number of physical packages: 1
38. Number of physical CPUs: 8
39. Number of logical CPUs: 16
40. Graphics card #0 name: NVIDIA GeForce RTX 4070 SUPER
41. Graphics card #0 vendor: NVIDIA
42. Graphics card #0 VRAM (MiB): 12282.00
43. Graphics card #0 deviceId: VideoController1
44. Graphics card #0 versionInfo: 32.0.15.9649
45. Memory slot #0 capacity (MiB): 8192.00
46. Memory slot #0 clockSpeed (GHz): 3.00
47. Memory slot #0 type: DDR4
48. Memory slot #1 capacity (MiB): 8192.00
49. Memory slot #1 clockSpeed (GHz): 3.00
50. Memory slot #1 type: DDR4
51. Memory slot #2 capacity (MiB): 8192.00
52. Memory slot #2 clockSpeed (GHz): 3.00
53. Memory slot #2 type: DDR4
54. Virtual memory max (MiB): 40503.41
55. Virtual memory used (MiB): 33338.18
56. Swap memory total (MiB): 16000.00
57. Swap memory used (MiB): 1271.77
58. Space in storage for jna.tmpdir (MiB): available: 65781.74, total: 476937.00
59. Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 65781.74, total: 476937.00
60. Space in storage for io.netty.native.workdir (MiB): available: 65781.74, total: 476937.00
61. Space in storage for java.io.tmpdir (MiB): available: 20669.99, total: 113700.00
62. Space in storage for workdir (MiB): available: 65781.74, total: 476937.00
63. JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx18752m -Xms256m
64. ModLauncher: 11.0.5+main.901c6ea8
65. ModLauncher launch target: forgeclient
66. ModLauncher services:
67. sponge-mixin-0.15.2+mixin.0.8.7.jar mixin PLUGINSERVICE
68. loader-4.0.43.jar slf4jfixer PLUGINSERVICE
69. loader-4.0.43.jar runtime_enum_extender PLUGINSERVICE
70. at-modlauncher-10.0.1.jar accesstransformer PLUGINSERVICE
71. loader-4.0.43.jar runtimedistcleaner PLUGINSERVICE
72. modlauncher-11.0.5.jar mixin TRANSFORMATIONSERVICE
73. modlauncher-11.0.5.jar fml TRANSFORMATIONSERVICE
74. modlauncher-11.0.5.jar connector_loader TRANSFORMATIONSERVICE
75. FML Language Providers:
76. gml@7.0.3
77. kotlinforforge@5.12.0
78. javafml@4.0
79. lowcodefml@4.0
80. minecraft@4.0
81. Mod List:
82. client-1.21.1-20240808.144430-srg.jar |Minecraft |minecraft |1.21.1 |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
83. neoforge-21.1.248-universal.jar |NeoForge |neoforge |21.1.248 |Manifest: NOSIGNATURE

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