Hi @MaciejoHi5 ,
What is the data source and connection mode of your data? Have you refreshed your data in Power BI Service?
Please check the refresh history
If you have refreshed your dataset, please try to refresh your visuals:
If you didn't refresh your dataset before, please refresh it:
Besides, if you do not want to refresh it, you can publish your report to Power BI Service one more time
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.