java.lang.NoClassDefFoundError: eu/solven/cleanthat/language/IEngineProperties

- [X] summary of problem `java.lang.NoClassDefFoundError`
- [X] Maven version `4.0.0.RC2`
- [X] spotless version: `maven plugin 2.44.0.BETA4`
- [X] operating system and version `Windows 64 Pro/Java 21`

The maven config in my project like this.

```xml

com.diffplug.spotless
spotless-maven-plugin
2.44.0.BETA4




src/main/java/**/*.java
src/test/java/**/*.java

1.25.2
AOSP
true

check

compile

```

```bash
[INFO] Index file does not exist. Fallback to an empty index
[ERROR] Step 'cleanthat' found problem in 'ApplicationEvents.java':
eu/solven/cleanthat/language/IEngineProperties
java.lang.NoClassDefFoundError: eu/solven/cleanthat/language/IEngineProperties

```