In some situations, some users are receiving "Failed to get license info" or "Unable to retrieve license info" error messages when using Portainer BE, particularly during the upgrade to BE from CE but this has also been seen during regular use of the Portainer UI.
To resolve this, we recommend clearing your browser's cache and local storage.
Chrome
Click on the three dots in the top right of your Chrome window and go to Settings, then Privacy and Security. Click Clear browsing data, change the Time range to All time, ensure Cached images and files is checked and click Clear data. You may also need to log back into Portainer after performing this step.
Firefox
Click on the three lines in the top right of your Firefox window and go to Settings, then Privacy & Security. Scroll down to the Cookies and Site Data section and click Clear Data. Ensure that both options are ticked and click Clear. You may also need to log back into Portainer after performing this step.
Edge
Click on the three dots in the top right of your Edge window and go to Settings, then Privacy, search, and services. Scroll down to the Clear browsing data section and click Choose what to clear. Change the Time range to All time, ensure Cached images and files is checked and click Clear now. You may also need to log back into Portainer after performing this step.