If you have made any changes to loyalty scheme. Please make sure that you run "Process Loyalty schemes" batch job before you run 1050.
If you used the distribution Schedule (incremental) screen to push the data, make sure that you had added, the relevant channel database groups. If you don't see the download session even after adding the channel database group.
1. Verify if the job (1050) got successfully executed from batch jobs screen.
2. Check the history from the history button. This can screen tell you exactly what happened on the execution. Sometimes there will be no data to be send to channel DB, it will show No Data. Download session will show an entry only if some data was sent.
3. The next option you can try is to push Full sync of 1050 from Channel Database / Channel database group.
