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:
           1190 Jun 08 07:40:15 INCAR
             55 Jun 08 07:40:15 KPOINTS
           4505 Jun 08 07:40:15 POSCAR
         792810 Jun 08 07:40:15 POTCAR
             41 Jun 08 07:40:15 mdlicense.txt
           5520 Jun 08 07:40:15 script
            248 Jun 08 07:40:15 state.dat

Starting VASP at Thu Jun 08 07:40:15 SAST 2023
Error executing VASP Thu Jun 08 07:40:18 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:
           1237 Jun 08 07:40:15 INCAR
             55 Jun 08 07:40:15 KPOINTS
           4505 Jun 08 07:40:15 POSCAR
         792810 Jun 08 07:40:15 POTCAR
            971 Jun 08 07:40:15 VASP-11595.v-hpc-medea.nwu.ac.za-32000
           1237 Jun 08 07:40:15 VASP_INCAR
             55 Jun 08 07:40:15 VASP_KPOINTS
             41 Jun 08 07:40:15 mdlicense.txt
           5520 Jun 08 07:40:15 script
            248 Jun 08 07:40:15 state.dat
            159 Jun 08 07:40:18 stdout