Backup Failed

I just ran a backup and it failed. I just lost my website and am having to recreate the site from scratch, so its crucial that I get this to work asap. It also failed on 4th March.

Here are the details from today’s fail:
The activity failed: Attempt to write to file /home/concier4/public_html/wp-content/plugins/wponlinebackup/tmp/backup.zip.9f9216e4476c6c4e964bd17884f81e764aae287e.rc.php only partially succeeded. Only 0 of 0 bytes were written. (119508244 bytes already written.) PHP last error: No error message was logged.

Online Backup for WordPress Plugin Version 3.0.4
WordPress Version: 3.8.1 (standalone)
PHP Version: 5.3.28
Server Software: Apache/2.2.26 (Unix) mod_ssl/2.2.26 OpenSSL/1.0.1e-fips mod_bwlimited/1.4 mod_perl/2.0.6 Perl/v5.10.1
MySQL Server Version: 5.5.35-cll
MySQL Client Version: 1.0; MySQL Packet Size: 32 MiB
Memory: 256M; Post: 256M; Upload: 256M; Timeout: 30
Memory Changable: Yes; Admin Cache Size: 176.2 KiB
Status: 1 row, 24.67 KiB packet size, 155.79 KiB cache freed, 57.45 MiB memory used
Capabilities: hashcopy gzdeflate php5hash DES AES128 AES192 AES256
End of Information

https://wordpress.org/plugins/wponlinebackup/