SXMB_ADM Registration Cancelled.

Hi i'm fresher PI.

I need activate the lines created in my SXMB_ADM but when i do it its showed that message.

Registration Cancelled.

I searched about it and finded that discussion:

messages are not getting processed in smq2

But  i didn´t understand this solution :

Hi All,

My Problem was resolved.  It is just the cache problem.

I have deleted all the queues in SMQR  then i refreshed the cache in SXI_CACHE.

Then I registered the queues in sxmb_adm.

Now the queues are not getting stuck.   Thanq all who replied.

Can you  help with it.?

How do it?

Thanks.