Very urgent

Guys i need your help plz i am using RB mikrotik 3011
when trying to login to hotspot getting an error is internal error (failed to add queue: already have such name (6))

any solution plz

sounds like queues are created dynamically via radius or something and the queue it is trying to create already exists. will need more of your config info to assist

Guys please i need your help, i have RB 3011 everything is working fine except all employees unable to access instagram

my dns is 8.8.8.8
any recommendation why that suyddenly happened

What have you done to troubleshoot the problem and what are the results of this troubleshoot you did?