OGG-00721
Not able to open log file {0} for next sequence {1,number,0} after reaching limit of {2,number,0} seconds on waiting. Last read position seqno {3,number,0}, rba {4,number,0}.
Cause
Extract has reached its limit for the number of times that it tries to open a log file.
Action
Make sure that the Extract database user has privileges to read the specified log file, and that the file is not corrupted.