Erroneous subfile "error"

Okay, this one has me stumped, and I need help.  I am trying to get the
following subfile to compile, and I keep getting the error 

CPF7812:  Subfile control record overlaps subfile record

But it doesn't overlap anywhere I can tell.  What gives?  

A          R RBCX1SF                   SFL
A  54                                  SFLNXTCHG
A            CDCHOICE       1A  I  7  3
A            CODERID        5S 0O  7  6
A            CODERNAME     50A  O  7 14
A          R RBCX1SFC                  SFLCTL(RBCX1SF)
A                                      OVERLAY
A  51                                  SFLDSP
A  52                                  SFLDSPCTL
A  53                                  SFLCLR
A  51                                  SFLEND(*MORE)
A                                      SFLSIZ(50)
A                                      SFLPAG(15)
A                                      SFLCSRRRN(&ATRECORD)
A            POSITIONAT     4S 0H      SFLRCDNBR
A            RRN            4S 0H
A            ATRECORD       5S 0H
A            THEDATE         L     2 68
A                                  2 25' Batch-Coder Cross Reference '
A                                      COLOR(WHT)
A                                      DSPATR(RI)
A                                  3 32' Coder ID Lookup '
A            THETIME         T     3 70
A                                  4  3'Place a 1 next to the coder'
A                                      COLOR(GRN)
A                                  5  3'1  ID      Name                   -
A                                                                 '
A                                      DSPATR(UL)
A                                      COLOR(WHT)
A                                 24 23'Enter=Continue F3=Exit  F12=Cancel'
A                                      COLOR(GRN)

Tony Carolla
MedAmerica Billing Services, Inc.