You may see an error similar to the one below when logging into Workbench:
This error points out that there is an issue with the launcher-sessions-callback-address in your /etc/rstudio/rserver.conf configuration file.
There are a number of potential solutions to this issue, however, the most common is to correct the launcher-sessions-callback-address. This value needs to be the URL that you type into the web browser to access your Posit Workbench user interface. This will need to include any port numbers that your server listens on if these aren't standard web ports. For example;
In the examples above, we can see that this includes any relevant port numbers.
It's worth mentioning that this was also a bug in versions of Workbench between 2022.07 - 2022.12. If you are using these versions of Workbench, it's recommended that you upgrade as mentioned here:
If you still have issues after completing the above, you can always lodge a support ticket, where our group of friendly, and incredibly knowledgeable staff can assist with any issues that you may be having. You can submit a ticket here: