Cannot read property 'head' of undefined

[rgnter]

I've already seen issue posted here, but nothing helps. My organization has repository ethernal-project\ethernal-core which depends on public SpigotMC/BungeeCord.

My defintions file (click for full raw definitions file):

version: "2.1"

# Dependencies
dependencies:
  - project: SpigotMC/BungeeCord
  - project: ethernal-project/ethernal-core
    dependencies: 
      - project: SpigotMC/BungeeCord

# Builds
default:
  build-command:
    current: echo "build bungee"
build:
  - project: ethernal-project/ethernal-core
    build-command:
      current: echo "build core"

And my action file:

name: Java CI with Gradle
on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
permissions:
  contents: read
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    # Setup JDK
    - uses: actions/checkout@v3
    - name: Set up JDK 17
      uses: actions/setup-java@v3
      with:
        java-version: '17'
        distribution: 'temurin'
        
    # Build Chain
    - name: "Run build-chain"
      id: build-chain
      uses: kiegroup/github-action-build-chain@v2.6.8
      with:
        definition-file: https://gist.githubusercontent.com/rgnter/1484f65a1a2396b870886f74c454abfe/raw/bc2ab1c61e2d0f97f05c15bded58100c0ea0f192/definitions.yml
    # Build
    - name: Build with Gradle
      uses: gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1
      with:
        arguments: build

Here's the log (click for full raw log):