Avamar backup failing with 10026

Hello All,

Kindly help me by providing the solution for the below failure.

error log:

2020-11-08 09:01:55 avtar FATAL <5889>: Fatal signal 11 in pid 1287
2020/11/08-09:01:55.09646 [avtar]  FATAL ERROR: <0001> uapp::handlefatal: Fatal signal 11
2020/11/08-09:01:55.09674 [avtar]  ERROR: <0001> uapp::handlefatal: aborting program pid=1287, sig=11
2020-11-08 09:01:55 avtar FATAL <5890>: handlefatal: Aborting program with code 176, pid=1287, sig=11