Aborted network evaluation due to error: eNullObjectId

[kumarswapan64]

Message Given "Aborted network evaluation due to error: eNullObjectId"

Please let me know why this message is giving in AutoCad Plant2013

Command: _.PlantPipeAdd

Command:
Current settings: Cutbackelbow=ON Pipe Bend=OFF Stub-in=OFF
Specify next point or [pipeFitting/Size/SPecification/Plane/Cutbackelbow/Rollelbow/STub-in/pipeBEnd/Elevation/routingOffset/baseCOmponent]: _nod of
Aborted network evaluation due to error: eNullObjectId

[PeterQuinn]

There's not enough information here to give you a definitive answer.

All I can tell from the error message is that there is something wrong with the pipe you're routing from.