The message "PPU Trial left 59 days" indicates that you are currently using a Power Platform Unlimited (PPU) trial, which provides a temporary access to premium features for a limited time. The trial is separate from your Power BI Pro license.
Regarding the error message "This dataset is too big for Power BI Free, upgrade to Power BI Pro or Power BI Premium to use this dataset", it indicates that the dataset you are trying to publish is too large to be used with Power BI Free and requires a paid license, such as Power BI Pro or Power BI Premium, to access.
To resolve the issue, you need to either upgrade your Power BI Free to Power BI Pro or Power BI Premium or reduce the size of your dataset. If you already have a Power BI Pro license, then it seems that the trial is still active, and you need to deactivate it to use your license.
