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 07 16:27:41 INCAR
             55 Jul 07 16:27:41 KPOINTS
           4511 Jul 07 16:27:41 POSCAR
         792810 Jul 07 16:27:41 POTCAR
             41 Jul 07 16:27:41 mdlicense.txt
           5560 Jul 07 16:27:41 script
            248 Jul 07 16:27:41 state.dat

Starting VASP at Fri Jul 07 16:27:42 SAST 2023
Error executing VASP Fri Jul 07 16:27:45 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 07 16:27:42 INCAR
             55 Jul 07 16:27:41 KPOINTS
           4511 Jul 07 16:27:41 POSCAR
         792810 Jul 07 16:27:41 POTCAR
            979 Jul 07 16:27:42 VASP-13196.v-hpc-medea.nwu.ac.za-32000
           1242 Jul 07 16:27:42 VASP_INCAR
             55 Jul 07 16:27:41 VASP_KPOINTS
             41 Jul 07 16:27:41 mdlicense.txt
           5560 Jul 07 16:27:41 script
            248 Jul 07 16:27:41 state.dat
            187 Jul 07 16:27:45 stdout