You may run into this error running OLAP reports on a SQL Server 2016 Reporting Services instance on which the ENU\x86\SQL_AS_ADOMD.msi component from the Microsoft® SQL Server® 2012 SP1 Feature Pack was not installed.
If you enabled Power BI integration in your Microsoft Dynamics 365 for Finance and Operations system as instructed in the article below, you may notice that parts of the reports do not display data while some do, even though there are transactions in the system and the Power BI reports were not modified by you.
In Microsoft Dynamics AX 2012, the EDT relations were moved to tables and the creation of a new EDT relation is not possible anymore. This implies that only table relations can be added to the system.
I assume you are familiar with the below post that contains detailed instructions for increasing relevant timeouts to enable long running reports to execute successfully.
We often work on cases where an item position is not kept together on one page even though the “KeepTogether” property is set to “True” on the Details Group. The reason is that the Details Group is not treated by the SSRS as a regular group used for grouping data.