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:
           1088 Jun 29 16:00:26 INCAR
             46 Jun 29 16:00:26 KPOINTS
           4694 Jun 29 16:00:26 POSCAR
         792810 Jun 29 16:00:26 POTCAR
             41 Jun 29 16:00:26 mdlicense.txt
           5422 Jun 29 16:00:26 script
            248 Jun 29 16:00:26 state.dat

Starting VASP at Thu Jun 29 16:00:26 SAST 2023
Error executing VASP Thu Jun 29 16:00:29 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:
           1135 Jun 29 16:00:26 INCAR
             46 Jun 29 16:00:26 KPOINTS
           4694 Jun 29 16:00:26 POSCAR
         792810 Jun 29 16:00:26 POTCAR
            979 Jun 29 16:00:26 VASP-12804.v-hpc-medea.nwu.ac.za-32000
           1135 Jun 29 16:00:26 VASP_INCAR
             46 Jun 29 16:00:26 VASP_KPOINTS
             41 Jun 29 16:00:26 mdlicense.txt
           5422 Jun 29 16:00:26 script
            248 Jun 29 16:00:26 state.dat
            187 Jun 29 16:00:29 stdout