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E_TIME_001 — Unknown interval unit

An interval string like "5x" was passed where the unit suffix is not recognised. FLOX accepts:

Unit Meaning
s seconds
m minutes
h hours
d days

How to fix

eng.resample("5m")          # 5 minutes — OK
eng.resample("1h")          # 1 hour — OK
eng.resample("15s")         # 15 seconds — OK
eng.resample("1d")          # 1 day — OK
# Not OK: "5min", "5 min", "1H", "five-minute"

Common causes

  • Pandas-style suffixes ("5min", "1H") — FLOX uses single-character units to avoid the M (month) / m (minute) ambiguity.
  • Whitespace in the string.
  • Empty unit ("5") — always provide a unit.