Hi,

Can you please help me to solve the issue? I am simulating clay-water system, it runs perfectly by 240 water molecules but when I increase the number of water molecules to 480, it shows me the following error:

ERROR on proc 22: Bond atoms 2667 2668 missing on proc 22 at step 43 (src/ntopo_bond_all.cpp:61)

I appreciate it if you could help me. Here is my input file:

```
units real
boundary p p p
atom_style full
neighbor 1.0 bin
neigh_modify every 1 delay 0 check yes
pair_style lj/cut/coul/long 12.0
kspace_style ewald 0.0001
pair_modify mix arithmetic
bond_style harmonic
angle_style harmonic
read_data project_Hydrated_CLAY.data
bond_coeff * 554.1349 1.0
angle_coeff * 45.7696 109.47
# Initial Temperature
variable T equal 100
# Final Temperature
variable TF equal 300
timestep 1.0
thermo 1000
thermo_style custom step temp pxx pyy pzz pxz pxy pyz ebond eangle epair evdwl etotal lx ly lz vol density press
group layer1 molecule 1
group layer2 molecule 2
group sodium type 1
fix 333 layer1 spring/self 10
fix 334 layer2 spring/self 10
#fix 335 sodium spring/self 10
##### energy minimization ##################
minimize 1.0e-12 1.0e-12 50000 50000
velocity all create $T 61673
velocity all zero linear
############## Equilibration ###########################
dump 45 all dcd 500 equlibration.dcd
dump 44 all dcd 500 unwrapequlibration.dcd
dump_modify 44 unwrap yes
fix 69 all nvt temp ${TF} ${TF} 100
run 1000000
unfix 69
unfix 333
unfix 334
#unfix 335
write_data opt.data
write_restart opt.rest
fix 334 layer2 spring/self 10
fix 69 all npt temp ${TF} ${TF} 100 x 0 0 1000 y 0 0 1000 z 0 20 1000
run 200000
unfix 69
fix 69 all npt temp ${TF} ${TF} 100 x 0 0 1000 y 0 0 1000 z 20 20 1000
run 200000
unfix 69
fix 69 all npt temp ${TF} ${TF} 100 x 0 0 1000 y 0 0 1000 z 20 0 1000
run 200000
unfix 69
fix 69 all npt temp ${TF} ${TF} 100 x 0 0 1000 y 0 0 1000 z 0 0 1000
run 200000
unfix 69
undump 44
undump 45
write_data bilayer.data
write_restart bilayer.rest
```