The error prompt is as follows:

STATUS :220328:1302: 4.0 SOLVE/normd:  Epoch <2800 >    23:19:30.000
STATUS :220328:1302: 4.0 SOLVE/lsquar: Setting up mapping operator for bias parameters
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  1
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  2
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  3
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  4
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  5
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  6
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  7
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  8
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite  9
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 10
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 11
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 12
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 13
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 14
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 15
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 16
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 17
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 18
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 19
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 20
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 21
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 22
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 23
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 24
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 25
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 26
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 27
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 28
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 29
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 30
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 31
WARNING:220328:1302: 4.0 SOLVE/dopt: No observation to satellite 32
STATUS :220328:1302: 4.0 SOLVE/lsquar: Calculating new normal equation submatrices
STATUS :220328:1302: 4.0 SOLVE/lsquar: Finding and removing dependent biases
STATUS :220328:1302: 4.0 SOLVE/lsquar: Applying a priori 1000.0 cyc sigma on biases
STATUS :220328:1302: 4.0 SOLVE/lsquar: Solving initial normal equations
STATUS :220328:1302: 4.0 SOLVE/lsquar: Finished solving initial normal equations
STATUS :220328:1302: 4.0 SOLVE/lsqerr: Constrained bias-free nrms =        NaN
STATUS :220328:1302: 4.0 SOLVE/lcloos: Performing LC biases-free loose solution
FATAL  :220328:1302: 4.0 SOLVE/lcloos: Inversion error in LCNORM(2)
STOP FATAL Error: Stop from report_stat

The solution is as follows:

The reason for the error should be that there are no synchronized observations, or the synchronized observations are too short.
Under the rinex folder, verify the gnss data file that confirms the synchronized observations.