When the table/list rows height grows, the row can't be split between the pages and this leads to the unexpected behavior you have noticed. This is logged in our bug tracking system and we will introduce the fix in subsequent release of Telerik Reporting. In the meantime if you have such tables our suggestion is to use SubReports because the detail section is splittable. You may find useful the Dynamic Layout (Dock and Anchor) help article that elaborates on creating table like layout with docking textboxes.
Regards,
Peter
the Telerik team
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