1.
SOLVED: Unable to open file: Bad activity result code: 96 …
www.reddit.com/r/discordapp/comments/p3dbvz/solved_unable_to_open_file_bad_activity_result/
2. 
Unable to crop avatar images on Discord Mobile. – Discord
support.discord.com/hc/en-us/community/posts/1500001062401-Unable-to-crop-avatar-images-on-Discord-Mobile-
3.
Profile Picture Crop error and Server logo crop error …
support.discord.com/hc/en-us/community/posts/1500001346682-Profile-Picture-Crop-error-and-Server-logo-crop-error/comments/4406279589527
4.
Unable to crop images. : discordapp – reddit
www.reddit.com/r/discordapp/comments/myd4bo/unable_to_crop_images/
5.
Can’t Change Profile Picture – Discord
support.discord.com/hc/en-us/community/posts/4406049371159-Can-t-Change-Profile-Picture
6.
Ошибка при попытке обрезания аватарки/стикера – Discord
support.discord.com/hc/en-us/community/posts/4403348757143-Ошибка-при-попытке-обрезания-аватарки-стикера
7.
Discord Developer Portal
discord.com/developers/docs/dispatch/error-codes
8.
User profile for Юна – Discord
support.discord.com/hc/en-us/profiles/1512260918801-Юна
9.
How to fix error 96 while sending any SMS through … – Quora
www.quora.com/How-do-I-fix-error-96-while-sending-any-SMS-through-Android-phone?share=1
10.
I can’t crop or even set a profile picture. – reddit
www.reddit.com/r/discordapp/comments/n5gdpn/i_cant_crop_or_even_set_a_profile_picture/
11.
Unable to send to Discord BAD REQUEST 400 #389 – GitHub
github.com/Rapptz/discord.py/issues/389
Conclusion
Guide above should be useful for Bad Activity Result Code 96 Discord.