With the report generator it is possible to export various results from your calculation. However, it appears that when selecting one or more of the following General information sets, the report generator fails and gives a bugreport. These sets are:
The bugreport occurs only when no data for one of the above mentioned selected sets is available in the current calculation.
For instance, if the calculated model does not contain any drains, by selecting the Table for drains will result in the report generator failing with a bug report.
When looking more into the details (Show bugreport), the first line in the call stacks will refer to the following:
This issue is fixed since PLAXIS 3D 2016.00
For now, you are advised to avoid selecting All in the General information [3/8], which will include the table results for one of the structures that does not exist in the calculated model. You can easily de-select any of these sets by making sure that there is no checkmark in the selection box.