How much trouble am I in?

SUGGESTED

I am the new CFO for a not-for-profit organization in NYC.  I have very limited knowledge of Sage but I can tell you this much.  We use Sage 50 for not-for-profits.  My predecessor left about a month ago and did not close out the year properly.  That much I know.  We have a 6/30 fiscal year end.  There is a file on Sage entitled 2013/2014.  I learned this problem the hard way, he did not close 2013 and start 2015.  Instead, he just started a new file entitled 2015/2016.  It is now November and all the activity in the new year beginning 7/1/15 has been entered into this new file.  So I now have activity in my General Ledger for the new fiscal year with NO Opening Balances.  So I have no history prior to July 1, 2015.  All sub ledgers start in July 2015.  I know I can do a Journal Entry to add the Opening Balances for all the Balance Sheet accounts but that still doesn't solve the major issues.

Please someone out there give me a fix other than re-entering all the new fiscal year's activity since July 1, 2015.  That's nearly 4.5 months of duplicate work and I now have my auditors wanting to come in and begin the year-end audit, ouch!!

So, I repeat my opening question in the Subject Line.  How much trouble am I in?

Thank you in advance.