Error submitting to PBS: qsub: submit error (Maximum number of jobs already in queue MSG=total number of jobs in queue exceeds the queue limit: user medea@mufasa.nwu.ac.za, queue chem-2)

Files:
           1178 Jul 05 17:22:28 INCAR
             55 Jul 05 17:22:28 KPOINTS
           4694 Jul 05 17:22:28 POSCAR
         792810 Jul 05 17:22:28 POTCAR
             41 Jul 05 17:22:28 mdlicense.txt
           5594 Jul 05 17:22:28 script
            248 Jul 05 17:22:28 state.dat

Starting VASP at Wed Jul 05 17:22:28 SAST 2023
Error executing VASP Wed Jul 05 17:22:31 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:
           1225 Jul 05 17:22:28 INCAR
             55 Jul 05 17:22:28 KPOINTS
           4694 Jul 05 17:22:28 POSCAR
         792810 Jul 05 17:22:28 POTCAR
            979 Jul 05 17:22:28 VASP-13063.v-hpc-medea.nwu.ac.za-32000
           1225 Jul 05 17:22:28 VASP_INCAR
             55 Jul 05 17:22:28 VASP_KPOINTS
             41 Jul 05 17:22:28 mdlicense.txt
           5594 Jul 05 17:22:28 script
            248 Jul 05 17:22:28 state.dat
            187 Jul 05 17:22:31 stdout