Error instalation on Cloud9

When I tried to install frappe trough

 sudo bash setup_frappe.sh --setup-production

I got the following error:

sudo bash setup_frappe.sh --setup-production
Installing for Ubuntu trusty amd64
In case you encounter an error, you can post on https://discuss.frappe.io

Adding ubuntu mariadb repo
Installing packages for Ubuntu. This might take time...
Reading package lists...
Building dependency tree...
Reading state information...
build-essential is already the newest version.
libxext6 is already the newest version.
libxext6 set to manually installed.
libxrender1 is already the newest version.
libxrender1 set to manually installed.
libxslt1.1 is already the newest version.
libxslt1.1 set to manually installed.
python-dev is already the newest version.
python-mysqldb is already the newest version.
python-mysqldb set to manually installed.
python-setuptools is already the newest version.
vim is already the newest version.
xfonts-base is already the newest version.
xfonts-base set to manually installed.
htop is already the newest version.
python-pip is already the newest version.
redis-server is already the newest version.
fontconfig is already the newest version.
fontconfig set to manually installed.
libssl-dev is already the newest version.
nginx is already the newest version.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 mariadb-server : Depends: mariadb-server-5.5 (= 5.5.41+maria-1~trusty) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Does anyone have a solution?