How o fix whatsapp showing unable to load image data?

[AC Question]

i am using grand 2 phone , now my whats app is is showing such error ,i cant even change my dp or down ? upload media to it. Is something wrong with my memory becoz apps like hike is not even working .... even titanium back says "not able to find any backup in storage" while trying to backup my data. And also i am getting INSUFFICIENT SPACE ERROR IN UC BROWSER , even i am having couple of GBs in my sd and internal too. I hv tried reinstalling , clear chache , cleaar data bbut nothing worked . And yes my phone is rooted .