Segmentation Fault in ww3_shell

[JMSnyder1980]

I compiled ww3 6.07 using mpi fortran and gfortran and everything compiled fine. Unfortunately when attempting to run ww3_shel I got the following error message:

[ww3@ww3 bin]$ ../exe/ww3_shel

                 *** WAVEWATCH III Program shell ***      
           ===============================================

At line 926 of file ww3_shel.F90 (unit = 11, file = 'fort.11')
Fortran runtime error: End of file

Error termination. Backtrace:
#0 0x7fc8d9149171 in ???
#1 0x7fc8d9149d19 in ???
#2 0x7fc8d914a521 in ???
#3 0x7fc8d93521bb in ???
#4 0x7fc8d93527b2 in ???
#5 0x7fc8d934f33b in ???
#6 0x7fc8d9353ec4 in ???
#7 0x7fc8d9354d34 in ???
#8 0x4031bb in ???
#9 0x402b36 in ???
#10 0x7fc8d816ccf2 in ???
#11 0x402b6d in ???
#12 0xffffffffffffffff in ???

I am using redhat 8.5.0 and gfortran version 8.5.0 and mpif90 version 8.5.0 and mpiexec version 4.1.1
switch.txt
link.txt
comp.txt

Do you know what could be causing this error and how to resolve it? Attached are my comp,link and switch files.