module=acc_bpt.leir.early.long_scale_intensity.LongScaleIntensity, empty DataFrame returned by LongScaleIntensity.fetch() for vars=[DevPropFields(dev_prop='IB_NAP_BCTOffset_Mon/Acquisition', fields={'bct41CurrentArray'}, alias='IB_NAP_BCT', timestamp='cyclestamp'), 'ER.BCTDC:INTENSITIES', 'LEI.TGM:USER'], times=(2026-01-31 00:00:00+01:00, 2026-03-02 00:00:00+01:00)