FLX-5001: intermediate magnitude outside the declared field capacity
Family: numerics (the 5000 band)
A comparison formed from the declared value ranges and the maximum record count can produce an integer wider than the field it is evaluated in (KERNEL-SPEC §12). Narrow the declared range, lower fractionalBits, or lower records.max until the bound fits.
Look it up offline
$ fluxsim explain FLX-5001
Every code is listed in the error index.