I've been drawing a lot of conveyor rails, and this happens frequently.
Phenomenon 1. Conveyor connection is not good.
Phenomenon 2. Conveyor disappeared when error code appeared
Phenomenon 3. When the saved file is opened, Phenomenon 2 appears and the conveyor part disappears.
↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
exception: Exception Caught in ObjectFunction249__project_library_FlexSimObject_behaviour_eventfunctions_OnPreDraw object: /bufferConveyor160 class: /bufferConveyor160
exception: Exception caught in TreeNode::receivemessage()
exception: EditorSpatial::prepareDraw()
exception: treewin__OnPaint
ex: OnPaint
exception: Exception Caught in ObjectFunction249__project_library_FlexSimObject_behaviour_eventfunctions_OnPreDraw object: /bufferConveyor160 class: /bufferConveyor160
exception: Exception caught in TreeNode::receivemessage()
exception: EditorSpatial::prepareDraw()
exception: Exception Caught in ObjectFunction249__project_library_FlexSimObject_behaviour_eventfunctions_OnPreDraw object: /bufferConveyor160 class: /bufferConveyor160
exception: Exception caught in TreeNode::receivemessage()
exception: EditorSpatial::prepareDraw()
exception: Exception Caught in ObjectFunction249__project_library_FlexSimObject_behaviour_eventfunctions_OnPreDraw object: /bufferConveyor160 class: /bufferConveyor160
exception: Exception caught in TreeNode::receivemessage()
exception: EditorSpatial::prepareDraw()
