SYMPTOM:
When using the Vertical Bar: Stacked or Horizontal Bar: Stacked graph types, "Disable fractional grid line" option does not get rid of repeating values on the Y-axis.
STEPS TO REPRODUCE:
The following steps are used to reproduce this issue in Strategy Tutorial:

CAUSE:
This behavior has been reported in Strategy 9.4.x - 10.x.
ACTION:
Strategy will continue to investigate and post updates as soon as they are available.
WORKAROUND:
Change the graph type to Vertical Bar: Clustered or another type of vertical bar graph. This issue only occurs when using Vertical Bar: Stacked.