User created two viewports in a layout tab of a 3D pipe drawn in the 3d_details layer.  One of the viewports plotted fine but the other didn't show the pipe at all.

AutoCAD view of viewports, note the selected pipe is the same in both drawings;

Post plot, PDF View; note all of the 3D Details pipe is missing from the right viewport

possible annotative scale issue.

bad head definition, in this case Head4

When attempting to insert a cap, it draws the pipe and dimensions it, but it doesn't insert a cap.

However if you draw a test pipe elsewhere, it successfully inserts the cap for you

A second copy of PIPEX blocks (SPRKDATA layer) appears on the drawing when using NWCOUT

When using Rapid Main or Rapid Line, clicking on the pipe causes a Fatal Error

When clicking the abacus to enter a length, you get this error;

Unhandled exception has occurred in a component in your application.  If you click Continue, the application will ignore this error and attempt to continue.

Index and length must refer to a location within the string.  Parameter name: length

After starting the Move Main command (MMA), and selecting the main to move, the system freezes and the only way to get out is to end task in the Task Manager

When selecting a pipe for the Move Main command, you get a fatal error