when starting replicat its abending with this error

OGG-00446  No data selecting position from checkpoint table ggadmin.GGS_CHECKPOINT_TROY for group R_XRP

in this case check info of replicat

GGSCI (oel6001 as ggadmin@ICP01XRP_2) 10> info R_XRP

REPLICAT   R_XRP     Last Started 2020-08-10 10:00   Status STOPPED
INTEGRATED
Checkpoint Lag       00:00:00 (updated 437:09:25 ago)
Log Read Checkpoint  File /u01/acfs/ogg/EXTRACT/TROY/EA000000003
                     2020-08-10 10:03:14.000000  RBA 32946

and alter the replicat to the seq no specified in checkpoint 

GGSCI (oel6001 as ggadmin@TROY_2) 9> alter replicat R_XRP extseqno 000000003

2020-08-28 15:28:26  INFO    OGG-06594  Replicat R_XRP has been altered. Even the start up position might be updated, duplicate suppression remains active in next startup. To override duplicate suppression, start R_XRP with NOFILTERDUPTRANSACTIONS option.

REPLICAT (Integrated) altered.

now start the replicat

start R_XRP