Meaning: The input axis along the member's supporting member is not a member system. This is an internal software failure where the calling software did not properly call the frame connection with its required inputs.
Recovery:
-
Open the Structure task.
-
Click Select .
-
Set the Locate Filter to Frame Connections.
-
Select the frame connection in error.
-
Select By Rule from the Connection box on the ribbon.
-
Redefine the end location of the member.