You are missing a lot of assets by the looks of it. I recommend a fresh reinstall (make sure you have a strong internet connection) and let it sit open for a while.
PC Beta officially starts on May the 4th =) for those that have been selected.
This might be helpful: https://answers.ea.com/t5/Technical-Issues/SWGOH-Webstore-Errors-Guide/m-p/12482363#M12255
DESCRIPTION:
First attack banners are displayed incorrectly in a 3v3 battle against Geonosian squad
REPORT:
Discovered internally
Ticket # 139773
DESCRIPTION:
The character ineligible text for the Unwavering Courage datacron is not aligned correctly
REPORT:
Discovered internally
Ticket # 147884
DESCRIPTION:
Roster lock does not apply for capital ships and allows additional reinforcement
REPORT:
Discovered internally
Ticket # 148157