One or more of your main mod files did not compile properly

sry for my bad english :/

Im using the fabric 1.21.8 generator, i was working on my mod called minecraft+ and when i tried running it, it keeps giving me that error, can someone explain to me? 

• heres the error btw

Executing Gradle task: runClient 
Build info: MCreator 2026.1.14619, fabric-1.21.8, 64-bit, 16219 MB, Windows 11, JVM 21.0.10, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk, started on: 2026-05-12-14:17:32 
 
> Configure project : 
Fabric Loom: 1.15.5 
> Task :compileJava FAILED 
C:\Users\med\MCreatorWorkspaces\minecraft_\src\main\java\net\mcreator\minecraft\init\MinecraftModBlocks.java:50: error: cannot find symbol 
        REDMAPLELEAVES = register("redmapleleaves", RedmapleleavesBlock::new); 
                                                    ^ 
  symbol:   class RedmapleleavesBlock 
  location: class MinecraftModBlocks 
C:\Users\med\MCreatorWorkspaces\minecraft_\src\main\java\net\mcreator\minecraft\init\MinecraftModBlocksRenderers.java:17: error: cannot find symbol 
        RedmapleleavesBlock.registerRenderLayer(); 
        ^ 
  symbol:   variable RedmapleleavesBlock 
  location: class MinecraftModBlocksRenderers 
2 errors 
FAILURE: Build failed with an exception. 
* What went wrong: 
Execution failed for task ':compileJava'. 
> Compilation failed; see the compiler output below. 
C:\Users\med\MCreatorWorkspaces\minecraft_\src\main\java\net\mcreator\minecraft\init\MinecraftModBlocks.java:50: error: cannot find symbol 
          REDMAPLELEAVES = register("redmapleleaves", RedmapleleavesBlock::new); 
                                                      ^ 
    symbol:   class RedmapleleavesBlock 
    location: class MinecraftModBlocks 
C:\Users\med\MCreatorWorkspaces\minecraft_\src\main\java\net\mcreator\minecraft\init\MinecraftModBlocksRenderers.java:17: error: cannot find symbol 
          RedmapleleavesBlock.registerRenderLayer(); 
          ^ 
    symbol:   variable RedmapleleavesBlock 
    location: class MinecraftModBlocksRenderers 
  Note: Recompile with -Xlint:unchecked for details. 
  2 errors 
* Try: 
> Check your code and dependencies to fix the compilation error(s) 
> Run with --scan to get full insights from a Build Scan (powered by Develocity). 
BUILD FAILED in 1s 
1 actionable task: 1 executed 
 
BUILD FAILED 
Task completed in 1 minute and 7 seconds