In some rare occasions, data stream content can get mislabeled and displayed in another data streamID.
Datastream Alpha with content A, B, C.
Datastream Beta with content X, Y, Z.
When the issue occurs, content X, Y, Z becomes labeled as being part of the Alpha datastream, and vice versa, which can then display on the wrong stream.
To reset the data to its proper labeling and stream, a restart of the game job may be required.