Create Accounting goes with warning

Issue :
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Unit Processor completed normally with some events in error.

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The following REVERSAL events could not be processed. The event/process status is U/U:
Note: this warning may be ignored for any events whose ledger is a cash-basis ledger
-------NO SUCH EVENTS-----------
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Solution :
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Profile Option : Concurrent:OPP Response Timeout
Internal Name : CONC_PP_RESPONSE_TIMEOUT
Description : Specifies the amount of time a manager waits for OPP to respond to its request for post processing.

Profile Option : Concurrent:OPP Process Timeout
Internal Name : CONC_PP_PROCESS_TIMEOUT
Description : Specifies the amount of time the manager waits for the OPP to actually process the request.

We need to increase the values of these two profile options.
I have set the values to 2000 for both profile options.

There is no optimum value and you have to set it according to your business needs and according to the number of reports you have and how big they are.

Concurrent Requests Fail Due to Output Post Processing (OPP) Timeout (Doc ID 352518.1)