Mummer error

[koushik1989]

ERROR: mummer and/or mgaps returned non-zero
ERROR: Could not parse delta file, nucmer.delta
Hi, I am getting this error while running ABACAS with the following params.
$ perl abacas.1.3.1.pl -b -N -i 50 -v 50 -p nucmer -m -o -r -q

could anyone suggest where I am going wrong?
error no: 400
ERROR: Could not parse delta file, nucmer.filtered.delta
error no: 402
Use of uninitialized value in addition (+) at abacas.1.3.1.pl line 1001.
Total contigs = 0
Use of uninitialized value $id in print at abacas.1.3.1.pl line 1013.
Use of uninitialized value $id in print at abacas.1.3.1.pl line 1014.
Use of uninitialized value $id in print at abacas.1.3.1.pl line 1015.
Use of uninitialized value $id in print at abacas.1.3.1.pl line 1178.
FINISHED CONTIG ORDERING

[cecile00]

More than a year later... But I'm having the same problem here.