Why am I suddenly seeing this instead of normal inventory?

Why am I suddenly seeing this instead of normal inventory? - Frame with text placed on blackboard with sterile mask

I'm running Factorio Demo on Ubuntu,everytime I start the game for quite some time I'm able to run it normally and I'm able to open the inventory tab but after some time I'm getting this protoype screen everytime I open the inventory tab EDIT: Added a image enter image description here

technical-issues factorio

Pictures about "Why am I suddenly seeing this instead of normal inventory?"

Why am I suddenly seeing this instead of normal inventory? - From above crop anonymous barefoot child in jeans standing on weigh scales on tiled floor of bathroom

Why am I suddenly seeing this instead of normal inventory? - A Woman Protesting with Messages on Band Aids

Why am I suddenly seeing this instead of normal inventory? - A Woman Showing a Placard

“hey i’m 14, can you check my inventory”

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Brett Sayles, Ketut Subiyanto, ShotPot, olia danilevich