Tutorial 2: Visualisation: Multiple Graphs error

[noortjemay]

Describe the bug
This bug is in tutorial 2. The main issue is that the code provided as an example to run, does not work.

Provide system information

• OS: macOS Tahoe 26.3
• R version: 4.5.2
• autograph version: 0.6.0 (manynet: 1.7.2)

To Reproduce
Open tutorial 2, Visualisation and go to Multiple Graphs. Follow all exercises until you arrive at the exercise called 'Dynamics' and click on 'run code'.

fict_lotr %>%
  mutate_ties(year = sample(1:12, 66, replace = TRUE)) %>%
  to_waves(attribute = "year", cumulative = TRUE) %>%
  grapht()

It will show the following:

this S4 class is not subsettable