It's good practice that before you schedule the report, you validate the complete dataset. One additional help for this, especially in the cases of larger datasets retrieved from the API, is to increase the cache limits. This increase can improve PowerBI's performance and stability. To configure this:
ClickSettings->Options->Global->Data Loadto expose the "Data Cache Management Options".
Try increasing theMaximum allowed (MB):to 16000 (or about double what the current setting is).