GG Replicate seems to be hung

Hi Team,

Source GG version 11.2

Target GG version 10.4.0.19

Replicat seems to be in hung state -

GGSCI (gcp5ds00) 18> info all

Program     Status      Group       Lag           Time Since Chkpt

MANAGER     RUNNING
EXTRACT     RUNNING     E10G1A1     00:00:00      00:00:03
EXTRACT     RUNNING     E10G1A2     00:00:00      00:00:01
EXTRACT     RUNNING     P10G1A1     00:00:00      00:00:06
EXTRACT     RUNNING     P10G1A2     00:00:00      00:00:05
REPLICAT    RUNNING     R01PRISM    00:00:00      27:10:34
REPLICAT    RUNNING     R1CSIDPP    00:00:00      00:00:08
REPLICAT    RUNNING     RPPQ1SRO    00:00:00      00:00:03

 I'm unable to stop Replicat also.

GGSCI (gcp5ds00) 19> send R01PRISM, status

Sending STATUS request to REPLICAT R01PRISM ...
  Current status: At EOF
  Seqno 8, RBA 103194054
  4 records in current transaction
PENDING
  STOP request pending end-of-transaction (4 records so far)

Please shed some light on how can I proceed further in trubleshooting?