If trail files are shipped via FTP/SFTP, ensure binary mode was used. Retransfer the correct file and overwrite the corrupted one. Then restart Replicat.
: If this occurs frequently on a Pump process, check for network timeouts or "SSL connection unexpectedly closed" errors in the OCI GoldenGate logs . OGG-01184 - Oracle GoldenGate Error Messages ogg-01184 expected 4 bytes but got 0 bytes in trail