GUI: opening project with 1D job with data, linked to the instrument

  1. Create Specular Instrument
  2. Create sample
  3. Run simulation
  4. Save project
  5. Load 1D data from the datafile in project directory
  6. Link it with instrument -> "Yes, modify"
  7. Run simulation with this data
  8. Save project
  9. Open this project ---> error message

Screenshot_from_2022-05-13_16-24-01