after upgrade from 1.5.3.1 to 1.5.4.1

Not sure if bug? Started showing after upgrade from 1.5.3.1 to 1.5.4.1 Cleared system cache came back again.

2012-09-04 14:04:56 - PHP Warning: unlink(/home/xxxxx/public_html/system/cache/cache.product.total.1.0.8.55a55c38d5843283d148d3b96c9a1245.1346771096) [<a href='function.unlink'>function.unlink</a>]: No such file or directory in /home/xxxxx/public_html/system/library/cache.php on line 45

2012-09-04 14:04:56 - PHP Warning: unlink(/home/xxxxx/public_html/system/cache/cache.product.total.1.0.8.9ba12e95621e00af3924ba3b8cb1e22c.1346771096) [<a href='function.unlink'>function.unlink</a>]: No such file or directory in /home/xxxxx/public_html/system/library/cache.php on line 45

I'm having same error but mine was a fresh install.

not a big problem. you can probably ignore that..