The window has probably been resized. To get the pane back, slowly drag the mouse to the right of the Data Manager window. When the arrow changes to an arrow pointing both left and right, left click and drag back to the right.
The window has probably been resized. To get the pane back, slowly drag the mouse to the right of the Data Manager window. When the arrow changes to an arrow pointing both left and right, left click and drag back to the right.