You're Closer to EBS 12.1.3 Than You Think
Our standing recommendation is to apply the EBS 12.1.3 suite-wide Release Update Pack (RUP), despite the relaxed requirements in the recent changes to our Error Correction Support Policy.
At minimum, customers should apply the 12.1.3 Family Packs.
We've just published the following article externally to help:
"You're Closer to EBS 12.1.3 Than You Think"
https://blogs.oracle.com/stevenChan/entry/you_re_closer_to_ebs
Have a look for a quick glimpse behind the curtain on why you should move to 12.1.3.
Kind Regards,
Mike