how to fix Permission denied to remove subdomain ID 6 ?

[tomer628]

HI.

i had this ERROR:
Permission denied to remove subdomain ID 6
and this resolve thanks to IgorG ...

But is should be that error ?
because i got this error anytime i want remove subdomain...
(i just remember that i change the password of admin)
and from this time i think that's error start to come

how can i fix that ?

thanks,
Tomer