Fixing errors when uploading images WordPress on 1and1 hosting, you must check the quota that gives you, follow the following steps
Review the Web space Quota for a Managed Server Package
Click the Hosting link from the Hosting section of the control panel.
Click the Show button on the More features panel of the Hosting section.
Click Quota to access your package usage data.
You web space quota is displayed.
Thank you for contacting us.It is essential for us to answer all your questions quickly and to your satisfaction.Alternatively, we could try to communicate with you at a time that’s convenient, by submitting a call back request using the link below:http://help.1and1.com/
1&1 Internet Inc.