july close period: see log having attempted to close July period. Request completed with error

Payables: Version : 12.0.0
Copyright (c) 1979, 1999, Oracle Corporation. All rights reserved.

APXUATR_XMLP module: Unaccounted Transactions Report (XML)
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Current system time is 04-OCT-2013 19:03:40

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XDO Data Engine Version No: 5.6.3
Resp: 50658
Org ID : 82
Request ID: 3143311
All Parameters: G_REPORTING_LEVEL=1000:G_REPORTING_ENTITY_ID=2021:G_LEDGER_ID=2021:G_START_DATE=:G_END_DATE=:G_PERIOD_NAME=Jul-13:G_SWEEP_NOW=Y:G_SWEEP_TO_PERIOD=Aug-13:G_DEBUG=N:G_TRACE=N
Data Template Code: APXUATR_XMLP
Data Template Application Short Name: SQLAP
Debug Flag: N
{G_START_DATE=, G_TRACE=N, G_END_DATE=, G_REPORTING_LEVEL=1000, G_REPORTING_ENTITY_ID=2021, G_PERIOD_NAME=Jul-13, G_SWEEP_TO_PERIOD=Aug-13, G_LEDGER_ID=2021, G_SWEEP_NOW=Y, G_DEBUG=N}