I updated MCreator to the latest version but my old mod is giving error

I updated MCreator to the latest version but my old mod is giving error 
 

Error Code: 

Executing Gradle task: idePostSync
Build info: MCreator 2024.1.18518, neoforge-1.20.4, 64-bit, 16281 MB, Windows 10, JVM 17.0.10, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk, started on: 2024-06-16-16:25:52

> Task :cacheLauncherMetadata UP-TO-DATE
> Task :cacheVersionManifest1.20.4 UP-TO-DATE
> Task :cacheVersionExecutableClient1.20.4 UP-TO-DATE
> Task :cacheVersionExecutableServer1.20.4 UP-TO-DATE
> Task :cacheVersionMappıngsClient1.20.4 UP-TO-DATE
> Task :cacheVersionMappıngsServer1.20.4 UP-TO-DATE
> Task :neoFormForgesAccessTransformerProvider_script_neoforge.cfg UP-TO-DATE
> Task :neoFormForgesAccessTransformerProvideraccesstransformer.cfg UP-TO-DATE
> Task :neoFormListLibraries UP-TO-DATE
> Task :neoFormStripClient UP-TO-DATE
> Task :neoFormExtractServer UP-TO-DATE
> Task :neoFormStripServer UP-TO-DATE
> Task :neoFormMerge UP-TO-DATE
> Task :neoFormMergeMappings FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':neoFormMergeMappings'.
> The string '{official}' did not return a valid substitution match! Available arguments: output, console.log, outputDir, side, mcpDir, outputFileName, log, stepName, stepsDir, unpackedMcpZip, javaVersion, minecraftVersion, outputExtension, multi arguments: , available data: mappings, patches, inject.
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
BUİLD FAILED in 12s
14 actionable tasks: 1 executed, 13 up-to-date

BUILD FAILED
Task completed in 12 seconds