SeqOthello Build error

[zhaijj]

Hi,
I tried to run SeqOthello on my own data, but got error

Reading xml /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_00.xml
Reading xml /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_01.xml
load xml info from /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_00.xml
OpenFile to binary read/write Multivalue Kmers file /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_00 20678a0
load xml info from /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_01.xml
OpenFile to binary read/write Multivalue Kmers file /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_01 2068b40
samplecount = 10
Estimate the distribution with the first 10485760 Kmers. 
Fri Oct 26 12:13:37 2018
 ::Got 131072 keys
 Bytes read from groups: 0:    1M	1:    1M	
Fri Oct 26 12:13:37 2018
 ::Got 262144 keys
 Bytes read from groups: 0:    3M	1:    3M	
Fri Oct 26 12:13:37 2018
 ::Got 524288 keys
 Bytes read from groups: 0:    5M	1:    6M	
Fri Oct 26 12:13:37 2018
 ::Got 1048576 keys
 Bytes read from groups: 0:    9M	1:   11M	
Fri Oct 26 12:13:37 2018
 ::Got 2097152 keys
 Bytes read from groups: 0:   18M	1:   21M	
Fri Oct 26 12:13:37 2018
 ::Got 4194304 keys
 Bytes read from groups: 0:   36M	1:   42M	
Fri Oct 26 12:13:38 2018
 ::Got 8388608 keys
 Bytes read from groups: 0:   74M	1:   85M	
Estimated histogram for encode lengths:1:0	2:0	
OpenFile to binary read/write Multivalue Kmers file /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_00 20678a0
OpenFile to binary read/write Multivalue Kmers file /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_01 2068b40
We estimate there are 82422524 keys
OpenFile to binary read/write Multivalue Kmers file /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_00 20678a0
OpenFile to binary read/write Multivalue Kmers file /homeBigdata/disk3/zhaijj/SeqOthello/res/grp/Grp_01 2068b40
We will use at most 1 threads to construct.
Use encode length to split L2 nodes at: 
terminate called after throwing an instance of 'std::invalid_argument'
  what():  invalid key to put in L1
Aborted (core dumped)

Can you give me a hand?