Error in receiving hold requestor notice Report

Hello,

I wan tto run and view output of receiving hold requestor notice report in payables but its completed with errror and no out put is generating, how to run it without error.

Log messages  are:

Current NLS_LANG and NLS_NUMERIC_CHARACTERS Environment Variables are :

American_America.US7ASCII

'.,'

Enter Password:

ORA-24324: service handle not initialized

==> SELECT inv.invoice_num           C_INVOICE_NUM,

REP-0069: Internal error

REP-57054: In-process job terminated:Terminated with error:

REP-300: service handle not initialized

==> SELECT inv.invoice_num           C_INVOICE_NUM,

Report Builder: Release 10.1.2.3.0 - Production on Thu Apr 30 13:31:50 2015

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