i have question regarding using Leoplatform

https://u.photofunia.com/2/results/J/-/J-b2o4GFB955fwIT0GW8-w_r.jpg

I have following question to ask form senior members of this community

• what is this transact error?
• what is error 505 on this platform when uploading any thing happens it occurs?
• is there is any discord setting for leo community that will help members instantly that there favouite account is posting ( instant notification system for leo)?

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