Increase the Max number of processes associated with the receiving transaction manager

Hello All,

In order to fix the below error, we have to increase the "Receiving Transaction Manager" process in our PROD system. Could you please suggest on this, how much value we can set it our environment as per below note ID.

"Unable to perform receipts due to error: APP-FND-204 Concurrent Manager encountered an error while running the spawned concurrent program Receiving Transaction Manager - RCVOLTM for your concurrent request XXXXXX. TM-SVC LOCK HANDLE FAILED"
How Many Processes Should Be Set For The Receiving Transaction Manager (RCVOLTM/RCVTPO)? ( Doc ID 404336.1 )

SQL> select count(*) from rcv_transactions where trunc(creation_date) > = TO_DATE('04-APR-2016');