The recurring errors are structural rather than personal: overtime calculated on base pay instead of the regular rate, automatic meal deductions for breaks that were not taken, and rate changes applied from the wrong date. Because they are configuration faults they usually affect everyone on the same rule, which is why checking your own stub is worth more than it looks.
Overtime on the wrong base
The most expensive and least visible. Overtime must be one and a half times the regular rate, which includes nondiscretionary bonuses, shift differentials and commissions. A system multiplying the base hourly figure understates every overtime hour in any week containing a bonus.
The tell: an overtime rate identical in a bonus week and a non-bonus week.
Automatic meal deductions
A system removing thirty minutes whether or not a break was taken generates unpaid time every time it was not. Common in healthcare, retail and manufacturing, and simple to prove where clock records exist.
Effective dates
A raise agreed in March and applied in the April cycle without back pay to the effective date. A promotion effective on the first of the month processed on the fifteenth. Both are ordinary administrative slips and both are unpaid wages.
The others worth checking
Benefit deductions continuing after an election changed. Bonuses paid without the retroactive overtime recalculation they require. Final paychecks omitting accrued leave in states treating it as earned wages.
Why raising it helps more than yourself
Because a configuration error is not personal. If your overtime is calculated wrongly, it is being calculated wrongly for everyone on that rule, and a single clear query frequently fixes it for the whole group.
How to raise it
Factually, with the arithmetic attached: the period, the figures, and the number you expected. Payroll teams generally fix demonstrated errors quickly, and the dated message protects you if it turns out not to be an error at all.
Common questions
What is the most common payroll error?
Overtime calculated on base pay rather than the regular rate, which understates every overtime hour in any week containing a bonus.
How can I spot it?
Compare the overtime rate in a bonus week against a normal week. If they are identical, the regular rate was not recalculated.
Are automatic meal deductions lawful?
Only where the break was genuinely taken and duty-free. Deducting regardless generates unpaid time each occasion it was not.
What about a late raise?
A raise applied after its effective date without back pay is unpaid wages, however ordinary the administrative slip.
Is it worth raising a small error?
Yes. Configuration errors affect everyone on the same rule, so one clear query often corrects it for the whole group.