Beamforming Alarm number 7654 in 4G LTE MIMO

Hi All,
We are getting Beamforming Alarm number 7654 in 4G LTE MIMO sites at 2500 Band.
Please support in sharing steps to resolve this.

Is it related to Calibration Issue or ep/no issue for antenna element malfunctioning.

Yes details are Antenna line device causing overload.
It only occurs in MIMO sites.