WARNING: PE file 2 is shorter than PE file 1

[vappiah]

Hi,

I had the above error message when I was using sickle to trim some reads . Below are the reads
http://ftp.sra.ebi.ac.uk/vol1/run/ERR333/ERR3335404/P7741_R1.fastq.gz
http://ftp.sra.ebi.ac.uk/vol1/run/ERR333/ERR3335404/P7741_R2.fastq.gz

Here is the full error message
Warning: PE file 2 is shorter than PE file 1. Disregarding rest of PE file 1.

PE forward file: P7741_R1.fastq.gz
PE reverse file: P7741_R2.fastq.gz

Total input FastQ records: 0 (0 pairs)

FastQ paired records kept: 0 (0 pairs)
FastQ single records kept: 0 (from PE1: 0, from PE2: 0)
FastQ paired records discarded: 0 (0 pairs)
FastQ single records discarded: 0 (from PE1: 0, from PE2: 0)