Cognos Planning version 8.4.1
The handles are not expandable inside the Cognos Planning Contributor client.
Rich Client Contributor front-end have the expand/collapse (plus/minus) handles for hierarchies.
This is controlled by this Hierarchical Dimensions in Analyst
For a dimension to be shown as a hierarchy in Analyst, the following requirements need to be met:
• The dimension must not be a time dimension.
• The dimension’s items must all be detail or simple sums.
• Do not use weighted or time averages.
• Do not use the Force to Zero calculation option.
• Priorities can only be 0 or 10.
• Do not use any formatting.
Recreate your Cognos Planning application to only use above allowed values / properties.