If you search solutions to this Error, you will perceived only one documented root cause:
OGG-01411 Cannot convert input file ./dirdat/xx000549 with format RELEASE 9.0/9.5 to output file ./dirdat/zz000034 with format RELEASE 12.1.
“The output trail of the data pump has a different format (version) than the input trail of the data pump”
If you are using GG 12.1 version, and all trails (rmttrail and exttrail) are correctly set with “format release”, you fell into a bug.
Oracle recommend to do upgrade to GG 12.2.
To work around this issue and start process, you need write a new trail, perform etrollover and reposition pump process.
On the Target System, process works fine, but not receive new trails, because pump process are abended.
GGSCI (lab2.grepora.net) 001> info rep01 REPLICAT rep01 Last Started 2017-03-20 12:08 Status RUNNING Checkpoint Lag 00:00:00 (updated 00:00:09 ago) Process ID 13563 Log Read Checkpoint File ./dirdat/zz000034 2017-03-22 09:53:31.004144 RBA 30683971