Created attachment 951503 [details] small screenshot of GnuCash diagram showing gaps Description of problem: When using Reports / ... / Bar Diagrams, an option "stacked bars" can be selected. The bars are not stacked correctly. There are gaps between diagram bar segments. See the Image attached. - Numberes on the left side were stripped :-) Version-Release number of selected component (if applicable): 2.6.4 How reproducible: Try to view bar diagrams with and without the "stacked bars" options and you will see.
*** This bug has been marked as a duplicate of bug 1157203 ***