Pretty Sprinklers does not seem to work with sidewall heads.

The following sprinkler tags are not loaded ...

Keyboard alias "BS"

Bayspace preview is not lining up the sprinklers evenly.  Or Bayspace stops working with a "Bad Argument Type 2D/3D point error." message.

When starting the Pretty Pipes command, you get an Unhandled Exception error including 'Could not find a part of the path'

Another error may mention blockoffsets.dat

Before raising to 3D, the sidewall sprinklers point in the correct direction.  After returning to 3D, some sidewalls have been flipped 180°

The lines or mains do not get the pretty pipes applied. The layer is all lower case. Lines or Mains missing

Starting the Pretty Pipe process, you get this error;

Unhandled exception has occurred...  eInvalidLayer

Bad prettypipes.dat file

Bug with the new Flexible Hose Connections. Drawing with FHCs will get this error, drawings without will not get the error Unhandled Except. Dialog Box v50

Pretty Pipes requires line type TRACKS. This line type is missing from the drawing. Unhandled Except. v50

1. Bad PRETTYPIPES.DAT file

2. corrupt xrefs

3. Irregular linetypes in the drawing.

4. Bad Hcad_Toolbox.dll file eBadLinetypName V53.04

After using the Spacing and Layout tool, the pipes and sprinklers are modeled but are not connected properly to each other. 

No error, however the Flow Summary for any sprinklers using equivalent K factors show a flow of 0.0 and a node type of 0 HydraCALC v50.3.50 zero flow 0 flow no flow 0.0 flow Discharge n/a HydraVIEW

When using connect heads to pipes AND the family Fire Protection Lines Threaded AND connecting three (3) or more sprinklers, one (1) pipe segment disappears during the command.

Inserting sprinklers using the spacing an layout tool Import Errors message box - message Autodesk.Revit.InvalidOperationsException: failed to insert transition