- Never ever post a code as a picture (as it was already said before). Use a “preformatted” tag.
- Test with a stock card first:
type: history-graph
entities:
... your entities
- And also test with a SIMPLE case - no additional options, only these:
type: custom:mini-graph-card
entities:
... your entities
hours_to_show: 24
Unrelated: your “label” & “secondary_labels” options are misspelled.
Besides, no need to create a separate thread for similar questions, there is a dedicated main thread: Lovelace: mini graph card