vasp IO error

[sungeng]

when i run my vasp job, it always dies a error by the LSF output is: what's wrong probably? thank you in advance
1 forrtl: File exists
2 forrtl: File exists
3 forrtl: File exists
4 forrtl: File exists
5 forrtl: File exists
6 forrtl: File exists
7 forrtl: File exists
8 forrtl: File exists
9 forrtl: File exists
10 forrtl: File exists
11 forrtl: File exists
12 forrtl: File exists
13 forrtl: severe (10): cannot overwrite existing file, unit 18, file /home-gk/users/nscc186_ZY/members/sun/cho-ch-f/CHGCAR
14 Image PC Routine Line Source
15 vasp 0000000000F070DA Unknown Unknown Unknown
16 vasp 0000000000F05BD6 Unknown Unknown Unknown
17 vasp 0000000000EBACD0 Unknown Unknown Unknown
18 vasp 0000000000E6BB2E Unknown Unknown Unknown
19 vasp 0000000000E6B06F Unknown Unknown Unknown
20 vasp 0000000000E7F03D Unknown Unknown Unknown
21 vasp 0000000000449112 Unknown Unknown Unknown
22 vasp 000000000044821C Unknown Unknown Unknown
23 libc.so.6 00002AC805AEABC6 Unknown Unknown Unknown
24 vasp 0000000000448119 Unknown Unknown Unknown
25 forrtl: severe (10): cannot overwrite existing file, unit 18, file /home-gk/users/nscc186_ZY/members/sun/cho-ch-f/CHGCAR
26 Image PC Routine Line Source
27 vasp 0000000000F070DA Unknown Unknown Unknown
28 vasp 0000000000F05BD6 Unknown Unknown Unknown
29 vasp 0000000000EBACD0 Unknown Unknown Unknown
30 vasp 0000000000E6BB2E Unknown Unknown Unknown
31 vasp 0000000000E6B06F Unknown Unknown Unknown
32 vasp 0000000000E7F03D Unknown Unknown Unknown
33 vasp 0000000000449112 Unknown Unknown Unknown
34 vasp 000000000044821C Unknown Unknown Unknown
35 libc.so.6 00002B57E23EDBC6 Unknown Unknown Unknown
36 vasp 0000000000448119 Unknown Unknown Unknown
37 forrtl: severe (10): cannot overwrite existing file, unit 18, file /home-gk/users/nscc186_ZY/members/sun/cho-ch-f/CHGCAR
38 Image PC Routine Line Source
39 vasp 0000000000F070DA Unknown Unknown Unknown
40 vasp 0000000000F05BD6 Unknown Unknown Unknown
41 vasp 0000000000EBACD0 Unknown Unknown Unknown
42 vasp 0000000000E6BB2E Unknown Unknown Unknown
43 vasp 0000000000E6B06F Unknown Unknown Unknown
44 vasp 0000000000E7F03D Unknown Unknown Unknown
45 vasp 0000000000449112 Unknown Unknown Unknown
46 vasp 000000000044821C Unknown Unknown Unknown
47 libc.so.6 00002BA5824DABC6 Unknown Unknown Unknown
48 vasp 0000000000448119 Unknown Unknown Unknown
49 forrtl: severe (10): cannot overwrite existing file, unit 18, file /home-gk/users/nscc186_ZY/members/sun/cho-ch-f/CHGCAR

[support_vasp]

Hi,

We're sorry that we didn’t answer your question. This does not live up to the quality of support that we aim to provide. The team has since expanded. If we can still help with your problem, please ask again in a new post, linking to this one, and we will answer as quickly as possible.

Best wishes,

VASP