Identify why an object is missing from the canvas
Open Object Tree from the chart context menu or right toolbar, then expand drawing groups for the active chart. Select the relevant row instead of trying to click through overlapping shapes. Inspect one state at a time; a missing line is not enough evidence that someone deleted it.
| Observation | Check | Consequence |
|---|---|---|
| Listed but hidden | Object and group visibility; chart-wide Hide controls. | Restore visibility for inspection without recreating the object. |
| Shown only on some intervals | The drawing or indicator Visibility settings. | Changing chart interval can change what appears. |
| Visible but covered | Visual order and the fill of the covering shape. | Move the covering drawing backward; keep its coordinates unchanged. |
| Cannot drag a drawing | Its lock state. | Unlock only for an intentional coordinate edit, then record that edit. |
| Two entries look identical | Anchors, symbol, pane, inputs and purpose. | Matching names or colors alone do not prove duplication. |
| Absent from the expected chart | Active symbol, chart and layout; drawing synchronization. | Inspect the correct context before concluding that an object was removed. |