Cannot append data from ArcGIS Pro to hosted feature layer

[nah]

I have a lot of hosted feature layers that I am maintaining on a daily basis. Today I have experienced that I cannot append data to my layers anymore. Am I missing something?

My workflow is adding the hosted feature to ArcGIS Pro, deleting all rows in the attribute table, and then appending all new data from our internal enterprise database. I am doing it this way, because I've had troubles in the past with overwriting the layers (symbology messes up, data ends up missing).

However, it runs, and gives med the green operation complete sign without any errors, but the dataset is still blank.

Any help will be greatly appreciated!

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@nah @MikeVolz  @JoshSmithWCWD  @JustinH  @RobEaly 

My ArcPro Version 3.3.1, Our Enterprise (Portal) is version 11.2.   I am not certain if Geoprocessing Append is supposed to work between 3.3.1 and 11.2. 

I had a similar experience as yours where I attempted to Append new (selected) features from Local File Geodatabase to Hosted Feature Layer.  A number of them actually appended over to Hosted Feature Layer, but there was a warning that identified one Object ID that that had an unknown issue.  It appeared that all the records after the problem record were not Appended.  I attempted to Append without selecting the problem record, but the Append was not successful, even though it appeared to finish the process with a message of success.  I tried that a few times without success.  Finally I logged directly into my AGOL organization account to use the Update Data --> Add Features--> Upload the Zipped File Geodatabase.

Keep in mind you need to create a separate File geodatabase that has only has the feature class that includes the new records that you want to Append/Add to your Hosted Feature Layer.  And you need to zip that File Geodatabase.   This was successful.  

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Hope this helps someone!

-John