Coarse space Error

Hello developer,

In defining a coarse space by ’ int mysplit = 3; mesh3 Thc = trunc(Th, 1, split = mysplit); ’ when I increase mysplit to a value > 1 , I get below error; may you help me what is the problem?

ORAS TWO-LEVEL :
[M] Coarse space dimension: 10019105
On return from ZMUMPS, INFOG(1)= -13
On return from ZMUMPS, INFOG(2)= -15370
Erreur Mumps mpi: number -13
Fatal Erreur MUMPS_mpi Factorize
current line = 120 mpirank 0 / 1
Exec error : MUMPS_mpi Factorize
– number :0
[M] timings - building E : 894.859 s
Instance Error 2 in ZMUMPS_F77 2

job aborted:
[ranks] message

[0] process exited without calling finalize

---- error analysis -----

[0] on DESKTOP
FreeFem+±mpi ended prematurely and may have crashed. exit code 0xc0000005

Thanks.