??? Error when picking NewTag button. Connection Failed listing tags

Error occurs when "Add Calculation Fittings" is used when running AutoCALC the first time after a new install. A registry entry for one of the Pipe Schedule properties is not set in the registry. (The Pipe Schedule is connected to fittings definitions.) error 75

Insert RN , it asks for Higher\lower pipe then dissapears. Probalble bad configuration dissapear

Corrupt #741 drawing. 26090000xx.DWG Fatal Error n/a AutoCAD 2014

3D hangers appear 'on the floor' Hangers

weird characters in autocalc summary 1?#0 view summary fonts

Riser Nipple cut dimension changed to the wrong value after going into the 3D System Model. The Riser Nipple show the wrong takeout value for the sp TakeOut & ep TakeOut properties. This was caused by the SHOW FITTINGS command. HydraCAD v5x.any

1. Can happen when creating a 3d model by picking a system boundary/boundaries. Bad/corrupt system boundary. 2d to 3d button 3d modeling v50+

TWO SYMPTOMS:

Drawing fittings and pipe look disjointed, like that time an alien team of scientists were performing out-of-phase medical experiments on the Voyager crew.

Or, on the way into Revit, you get this error;

Error (must be addressed in order to continue)

Revit has experienced an unexpected error.  The operation has been cancelled to protect your project from corruption

Deleted element

When reporting the error, you may see this;

Hashtable head_table, Hashtable FLXpipeTable, List '1 listFtgs, flexpipes PipeTypeInfo ptInfo

Machine is set up to generate old-style (pre-AutoCAD 14) polylines. Flowing Heads Remote Area