FatalField 24.008Gross Rent Multiplier Comparable

`UAD1246` — A numeric identifier ('Comparable #') must be assigned for each GRM comparable. For assistance with this message, contact the appraisal software vendor.

Where this rule lives in the report

Income Approach

Comparable #

Gross Rent Multiplier Comparables

Report Section and Report Subsection as the GSEs define them — the black tab and grey bar you already read on the URAR.

Severity: Fatal — this blocks your UCDP submission and must be fixed before delivery.
Triggered when: @ValuationUseType = "GrossRentMultiplierComparable" and PropertyOrdinalNumber is not provided
Data Point Name: PropertyOrdinalNumber
Unique ID: 1200.0028
Report Field ID: 24.008
What this field means: A positive, whole number that identifies the position of the property in the valuation analysis.

How to fix UAD1246

UAD1246 is a Fatal UAD 3.6 edit, so clear it before the appraisal report goes to UCDP.

01Open the Income Approach › Gross Rent Multiplier Comparables › Comparable # area of the URAR and find Comparable #.
02Check the condition that triggers UAD1246: @ValuationUseType = "GrossRentMultiplierComparable" and PropertyOrdinalNumber is not provided.
03Correct the missing, invalid, duplicate, or inconsistent value before submitting to UCDP.
04Use the official Single-family (SF1) sample value on this page as a reference pattern, then re-run validation.

This fix guidance is derived from the published rule message, trigger logic, report location, field definition, and official sample data available for this rule.