Error submitting to PBS: qsub: submit error (Job exceeds queue resource limits MSG=cannot locate feasible nodes (nodes file is empty or all systems are busy))

Files:
           1176 Jun 07 21:12:36 INCAR
             55 Jun 07 21:12:36 KPOINTS
           4511 Jun 07 21:12:36 POSCAR
         792810 Jun 07 21:12:36 POTCAR
             41 Jun 07 21:12:36 mdlicense.txt
           5485 Jun 07 21:12:36 script
            247 Jun 07 21:12:36 state.dat

Starting VASP at Wed Jun 07 21:12:36 SAST 2023
Error executing VASP Wed Jun 07 21:12:39 SAST 2023: error renaming "OUTCAR": no such file or directory

error renaming "OUTCAR": no such file or directory
    while executing
"file rename -force OUTCAR VASP_OUTCAR"

error copying "CONTCAR": no such file or directory
    while executing
"file copy -force CONTCAR VASP_CONTCAR"

Files:
           1223 Jun 07 21:12:36 INCAR
             55 Jun 07 21:12:36 KPOINTS
           4511 Jun 07 21:12:36 POSCAR
         792810 Jun 07 21:12:36 POTCAR
            971 Jun 07 21:12:36 VASP-9729.v-hpc-medea.nwu.ac.za-32000
           1223 Jun 07 21:12:36 VASP_INCAR
             55 Jun 07 21:12:36 VASP_KPOINTS
             41 Jun 07 21:12:36 mdlicense.txt
           5485 Jun 07 21:12:36 script
            247 Jun 07 21:12:36 state.dat
            159 Jun 07 21:12:39 stdout