mount error

debian mount error

Error:

Error mounting: mount exited with exit code 1: helper failed with:
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

       
dmesg | tail output:

[12139.341340] mount: sending ioctl 5310 to a partition!
[12139.341345] mount: sending ioctl 5310 to a partition!
[12139.832348] UDF-fs: warning (device sdb1): udf_load_vrs: No VRS found
[12139.832358] UDF-fs: Rescanning with blocksize 2048
[12140.370151] UDF-fs: warning (device sdb1): udf_load_vrs: No VRS found
[12140.370161] UDF-fs: warning (device sdb1): udf_fill_super: No partition found (1)
[12140.393921] mount: sending ioctl 5310 to a partition!
[12140.393932] mount: sending ioctl 5310 to a partition!
[12140.451244] ISOFS: Unable to identify CD-ROM format.