**BUG** Concise problem statement: Re-annotating a schematic with a mix of single device symbols and sub-part device symbols does not renumber parts with unique Prefix numbers. No Prefix Conflict warning or error message generated from this but parts with duplicate prefix are then missing when Convert to PCB. In this example, the FMB3946 was placed on the PCB but the IPB64N25S320ATMA1 was not. Steps to reproduce bug: 1) Create schematic with both devices from a multi-part device (in my example I have used dual transistor FMB3946) and a single other device (in my example I have used a MOSFET). Note that parts are placed as: ![enter image description here][1] 2) Super Menu > Miscellaneous > Annotate Results: ![enter image description here][2] Expected results: ![enter image description here][3] Browser: Chrome [1]: /editor/20171108/5a02d47ff35ce.png [2]: /editor/20171108/5a02d58299584.png [3]: /editor/20171108/5a02d558ef411.png