Common Transport Channel Carried by PRACH abnormal alarm

OSS and NOC
1

Hello,

Common Transport Channel Carried by PRACH abnormal.
Vendor: Huawei (Event Id 28200)

Any one familiar with this alarm?

2

Check on the cell center frequency configurations and align.
Then restart the RRU

3

What is MO for cell center frequency?
In ucell configurations I’m using u900 earfcn.
Is there another MO that affects this?