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FAQ:  601ERRV?   SitePrepFee in RT doesn't match OPR total

https://ttlc.intuit.com/community/tax-topics/help/601errv-siteprepfee-in-rt-doesn-t-match-opr-total/...

 

There's a thread where that has been discussed:
https://ttlc.intuit.com/community/retirement/discussion/re-what-did-i-do-wrong-difficulty-recognizin...