[FMP-If:CurrentError.neq.0]
  [FMP-If:CurrentError.eq.401]
    [FMP-Include:error_no_records.txt]
  [FMP-Else]
    [FMP-Include:error_codes.txt]
  [/FMP-If]
[FMP-Else]
No error!  This shouldn't happen!
[/FMP-If]