Are you by any chance processing on a subset of bursts (i.e. after TOPSAR-Split to select one or two bursts from a particular swath)? I am seeing a similar error message as in this thread: Thermal Noise Removal Failure in Single Burst
Are you by any chance processing on a subset of bursts (i.e. after TOPSAR-Split to select one or two bursts from a particular swath)? I am seeing a similar error message as in this thread: Thermal Noise Removal Failure in Single Burst