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:
           1195 Jul 11 15:24:51 INCAR
             46 Jul 11 15:24:51 KPOINTS
           4694 Jul 11 15:24:51 POSCAR
         792810 Jul 11 15:24:51 POTCAR
             41 Jul 11 15:24:51 mdlicense.txt
           5560 Jul 11 15:24:51 script
            248 Jul 11 15:24:51 state.dat

Starting VASP at Tue Jul 11 15:24:51 SAST 2023
Error executing VASP Tue Jul 11 15:24:54 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:
           1242 Jul 11 15:24:51 INCAR
             46 Jul 11 15:24:51 KPOINTS
           4694 Jul 11 15:24:51 POSCAR
         792810 Jul 11 15:24:51 POTCAR
            979 Jul 11 15:24:51 VASP-13391.v-hpc-medea.nwu.ac.za-32000
           1242 Jul 11 15:24:51 VASP_INCAR
             46 Jul 11 15:24:51 VASP_KPOINTS
             41 Jul 11 15:24:51 mdlicense.txt
           5560 Jul 11 15:24:51 script
            248 Jul 11 15:24:51 state.dat
            187 Jul 11 15:24:54 stdout