I'm having my Nexus 5 and I found some problem with by WhatsApp recently
When I try to open media file which on or before October 2014 in the conversation, it shown "Sorry, this media file doesn't exist on your SD card"
Before I can still open those files directly from the galley. I've tried to reinstall WhatsApp but it doesn't help, here is an example:
The image file is blurred on the left
When I try to open it, it shows this
The image can be found in the WhatsApp folder
I hope you can help, thanks