[DTM][circos] Error when genome range is not cover by reads

Error during the generation of plots :

[1] "Generating graph"
Error: Range of the sector ('pSCDB14') cannot be 0. You might need to set the
second and the fourth values in `circos.par$cell.padding` to 0.
In addition: Warning messages:
1: In split.default(seq_len(nrow(mat)), split) :
  data length is not a multiple of split variable
2: In split.default(seq_len(nrow(mat)), split) :
  data length is not a multiple of split variable
3: In split.default(cell_width, split2) :
  data length is not a multiple of split variable
Execution halted

Here a subset of the bedgraph :

complete        4136983 4136984 90.9038
complete        4136984 4136985 90.1442
complete        4136985 4136986 89.6378
pSCDB14 0       75740   0
pSCDB14 75740   75753   0.253214
pSCDB14 75753   76040   0.506428
pSCDB14 76040   76053   0.253214
pSCDB14 76053   205480  0

Good luck for debugging !