@shreepriya_s
Thank you for reaching out to us.
The code runs fine on my machine.
As far as I know the delayed RIC doesn't work with ld.get_history when accessing historical real-time fields. To access historical real-time fields for a delayed RIC, the code should look like this.
import lseg.data as ld from lseg.data.content import historical_pricing from lseg.data.content.historical_pricing import Intervals ld.open_session() response = historical_pricing.summaries.Definition( universe = 'EURSFIXA2Y=IBAL', interval=Intervals.DAILY, fields=['FIXING_1'], start = '2025-12-31', end = '2026-07-07', extended_params={"qos":"delayed"} ).get_data() response.data.df