The limitations on measurement are largely a form of digitization error as EVM measurements ultimately can be no finer than by item, which may be the Work Breakdown Structure terminal element size, to the scale of reporting period, typically end summary of a month, and by the means of delivery measure.
Soft error | Forward error correction | Xero Error | Inborn error of metabolism | Error detection and correction | Source-monitoring error | scrivener's error | Round-off error | Postage stamp design error | postage stamp design error | One error and its catastrophic results: ''Napoleon's invasion of Russia#Retreat | Off-by-one error | Observational error | Margin of Error (The Wire episode) | Margin of Error | Human error assessment and reduction technique | error function | error detection and correction | Erotic target location error | End of an Error (2004-2006) | End of an Error | Discretization error | Clerical error | Berkson error model |