Error with hts forecasting with 2 levels #11

	on:
	issue_comment:
	types: [created]
	name: Commands
	jobs:
	document:
	if: startsWith(github.event.comment.body, '/document')
	name: document
	runs-on: macOS-latest
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- uses: actions/checkout@v2
	- uses: r-lib/actions/pr-fetch@master
	with:
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	- uses: r-lib/actions/setup-r@master
	- name: Install dependencies
	run: Rscript -e 'install.packages(c("remotes", "roxygen2"))' -e 'remotes::install_deps(dependencies = TRUE)'
	- name: Document
	run: Rscript -e 'roxygen2::roxygenise()'
	- name: commit
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Actions"
	git add man/\* NAMESPACE
	git commit -m 'Document'
	- uses: r-lib/actions/pr-push@master
	with:
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	style:
	if: startsWith(github.event.comment.body, '/style')
	name: style
	runs-on: macOS-latest
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- uses: actions/checkout@v2
	- uses: r-lib/actions/pr-fetch@master
	with:
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	- uses: r-lib/actions/setup-r@master
	- name: Install dependencies
	run: Rscript -e 'install.packages("styler")'
	- name: Style
	run: Rscript -e 'styler::style_pkg()'
	- name: commit
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Actions"
	git add \*.R
	git commit -m 'Style'
	- uses: r-lib/actions/pr-push@master
	with:
	repo-token: ${{ secrets.GITHUB_TOKEN }}

Provide feedback