Hello everyone, 

We have a Pega cloud instance, which got recently updated to 25.1 from 24.2.2. We are using Theme-Cosmos. After upgrading we noticed that the chart controls have stopped working. 

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Post the upgrade, we have started noticing the above message in the place of charts. Upon debugging found the following errors in the browser console:

We are not using any custom controls - this is the OOTB chart control which has failed. 

Noticed a similar error almost 3 years back in this thread - Fusion Chart errors | Support Center, performed all the steps mentioned in that thread and have ensured that there are no overrides. We have restarted the server, revalidated and saved the sections rules to no avail. 

Did anyone face this issue after upgrade to 25 ? Any pointers would be helpful. 

Thanks for your time !