Diagnostics
T412
parameter list on a handler for one subscription
T412
Only handlers on a family of subscriptions take parameters ((key, member)). Remove the parameter list from a handler on a single subscription.
Failing example
script "example"
data chart = subscribe(data.ohlcv)
on chart.update(bar) { }Corrected example
script "fixed"
data chart = subscribe(data.ohlcv)
on chart.update { }