Cause

A different pipe class is entered at a piping definition point placed in a P&I diagram that is linked with a piping planning object in the pre-planning than at a linked piping planning object.

Solution

1. Locate the piping planning object in the pre-planning navigator using the Synchronize selection function offered by the popup menu in the Message management dialog.
2. Open the property dialog of the piping planning object and bring the first tab to the front.
3. In the Pipe class field select the pipe class designation <x> that is output in the message text or enter it manually.
4. Click [OK].
5. Then start a new check run.

See also

Creating and Editing Pipe Classes and Substances