Error while applying the patch 3500000

Hi,

We got the below error while applying the patch 3500000.Please let us know how to resolve this.

Completed: file pqamatru.ldt on worker  7 for product pqh username APPS.

Time is: Tue Jun 26 2012 05:19:38

Completed: file pspameattu.ldt on worker  8 for product psp username APPS.

Time is: Tue Jun 26 2012 05:19:38

Completed: file hrsamatu.ldt on worker  1 for product per username APPS.

Time is: Tue Jun 26 2012 05:19:38

Completed: file peorgdp1.sql on worker  5 for product per username HR.

Time is: Tue Jun 26 2012 05:19:43

ATTENTION: All workers either have failed or are waiting:

           FAILED: file pycofuna.ldt on worker  2.

ATTENTION: Please fix the above failed worker(s) so the manager can continue.