Continuity errors cluster into a small number of recognizable types. Once you can name them, you can hunt them deliberately instead of hoping a final read-through catches everything — which it never does, because the contradicting facts usually sit hundreds of pages apart.
Here are the four families, with examples and the way to catch each before a reader does it for you.
Character errors
The most common kind: an age, status, name, or piece of knowledge that contradicts an earlier establishment. A character knows a secret they were never told; someone's eye color changes; a minor character's name shifts between appearances; a character grieves a death they should not yet know about.
Catch them by tracking each character's status as a dated fact — alive or dead, where, and what they know, as of each point in the story — and checking new scenes against it.
Timeline errors
Events in an impossible order, or ages and dates that do not add up. A child born after a parent dies; a character too young to have witnessed something they describe; a flashback that does not fit the established sequence.
Catch them with a real timeline — events placed in order with years attached — rather than a paragraph of backstory prose. Sequence errors are obvious on a timeline and invisible in a wall of text.
World-rule errors
The mechanics of your world drift. The classic case is power creep: an ability that costs a memory in the first arc and nothing by the climax, or a power level that quietly inflates because each fight has to top the last. Technology and economics drift the same way.
Catch them by writing rules with their costs and limits as explicit facts, then checking the scenes that invoke them. "Magic always costs a memory" is checkable; an unwritten, vibes-based rule is not.
Plot-thread errors
A thread is dropped and never resolved, resolved twice, or its payoff contradicts a clue planted earlier. These are the hardest to catch because they unfold across the most pages and the most time.
Catch them by tracking each open thread, its current state, and where it was last touched — so nothing silently falls off and no answer contradicts its setup.
Frequently asked questions
- What are the most common continuity errors?
- Character errors (age, status, name, or knowledge that contradicts an earlier establishment), timeline errors (impossible order or ages), world-rule errors (power or technology drifting), and plot-thread errors (dropped or double-resolved threads).
- How do you catch continuity errors before publishing?
- Keep a structured record of your world's facts and run a consistency pass over the whole thing before each installment — checking new material against established canon rather than relying on a final read-through.
CanonBoard scans your whole world and tells you where it disagrees with itself.
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