When running here, there is no error, and it does not continue to run. This is caused by the reason. What happened?

[q1165600785]

` ! SIGMA LAYER INFO
SIGMA TYPE:UNIFORM
k z zz dz dzz
1 -0.00000000 -0.12500000 0.25000000 0.25000000
2 -0.25000000 -0.37500000 0.25000000 0.25000000
3 -0.50000000 -0.62500000 0.25000000 0.25000000
4 -0.75000000 -0.87500000 0.25000000 0.00000000
5 -1.00000000 -1.12500000 0.00000000 0.00000000
!
END SETUP_SIGMA_DERIVATIVES
SETUP_SIGMA_DERIVATIVES: END
! BCOND TYPE : TOTAL BC NODES; BC NODES IN EACH DOMAIN
! IOBCN : 54 => 54,
! IBCN(1) : 54 => 54,
! IBCN(2) : 0 => 0,
! IBCN(3) : 0 => 0,
! IBCN(4) : 0 => 0,
! IBCN(5) : 0 => 0,
!
! Setting Staticly Variable Bottom Roughness
START NC_READ_VAR:
NC_READ_VAR Arguments:
======== PRINT NCVAR TYPE =======
VARNAME ::z0b
VARID :: 1
NCID :: 131072
CONNECTED :: T
CURR_STKCNT :: 0
XYTPE :: FLOAT
ASSOCIATED :: VEC_FLT
DIMS :: 1
ATTS :: 3
======= PRINTED NCVAR TYPE ======
; DEALER=001; MYID=001; PAR_READ= F
STKCNT= NONE
STKRNG= NONE
IOSTART= NONE
IOCOUNT= NONE
IOSTRIDE= NONE
FILE DIMENSION COUNT IS :: 1
MEMORY DIMENSION COUNT IS :: 1
END NC_READ_VAR:
!
! SETTING UP TRIS/ELEMENTS/EDGES/CVS
!
! NEIGHBOR FINDING : COMPLETE
! ISONB SETTING : COMPLETE
! NBVE/NBVT : COMPLETE
! EDGE SETUP : COMPLETE
! NISBCE/LISBCE/EPOR : COMPLETE
! TRIS/EDGES/CVOLS : COMPLETE
START: CELL_AREA

---

Min Triangle Area= 0.000001; EGID= 5111

---

! Minimum Triangle Area: 5.22588380E-07
! Maximum Triangle Area: 1.15892980E-02
! Total Triangle Area : 3.35693693
+++++++++++++++++++++++++++++++++++++++++++++++++
FVCOM WARNING!
CELL_AREA: TRIANGLE AREA IS SMALL (LT 1e-6)
FVCOM CONTINUEING
+++++++++++++++++++++++++++++++++++++++++++++++++

---

Min Control Volume Area= 0.000000; NGID= 3950; Node is on solid boundary

---

! Minimum Node Control Volume Area: 1.95190097E-07
! Maximum Node Control Volume Area: 2.33624764E-02
! Total Node Control Volume Area : 3.35692692
+++++++++++++++++++++++++++++++++++++++++++++++++
FVCOM WARNING!
CELL_AREA: NODAL CONTROL VOLUME IS SMALL (LT 1e-6)
FVCOM CONTINUEING
+++++++++++++++++++++++++++++++++++++++++++++++++
! CELL AREA : COMPLETE
END: CELL_AREA
!
! SETTING UP LINEAR INTEROPOLATION COEFFICIENTS
shape_f of solid b. c. temp1=0
i,jj,j1,j2,x1,x2,y1,y2
438 3 1 2 -4.1198730468750000E-004 1.1952724307775497E-003 7.1716308593750000E-004 -3.8528442382812500E-004
x1y2== 1.5873229131102562E-007
x2y1== 8.5720526499244443E-007`