This seemed to be popping up only with current 23Q4 data (which has a wrong scenario name in it), which implies to me that there is some additional problem yet to be discovered, but in any case, this appears to avoid that error and the trajectory alignment plots display on load without any interaction.
mentioned here: https://github.com/RMI-PACTA/pacta.portfolio.report/pull/54#issuecomment-2039608485
This seemed to be popping up only with current 23Q4 data (which has a wrong scenario name in it), which implies to me that there is some additional problem yet to be discovered, but in any case, this appears to avoid that error and the trajectory alignment plots display on load without any interaction.