The fix was permissions:
mkdir -p /srv/invoiceninja/app/storage
chown -R 999:999 /srv/invoiceninja/app
chmod -R 775 /srv/invoiceninja/app
The fix was permissions:
mkdir -p /srv/invoiceninja/app/storage
chown -R 999:999 /srv/invoiceninja/app
chmod -R 775 /srv/invoiceninja/app
Supported by Invoice Ninja and Event Schedule