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How AI Identifies Duplicate SKUs and Mapping Errors Before They Hit Production

By Glazix | June 10, 2025

No More Surprise Duplicates in the Middle of a Production Run

Few things frustrate production teams more than finding two nearly identical SKUs representing the same item—with conflicting specs, routing plans, or BOM links. Duplicate SKUs and mapping errors wreak havoc in manufacturing environments, causing:

Redundant inventory

Inaccurate demand planning

Confused procurement behavior

Misbuilds or mislabels at the shop floor

AI is now helping ERP and MDM teams catch duplicates and mapping conflicts before they hit MRP runs or build schedules.

Where SKU Duplication Comes From

Cut-and-paste product creation

Legacy system migrations without deduplication

Different divisions using local naming conventions

Multiple suppliers for the same part, mapped to separate codes

Human error during fast-paced launches or plant transfers

These duplicates often go undetected because they don’t match character-for-character—but they do behave identically in the system.

How AI Detects the Hidden Duplicates

Using semantic matching, AI can analyze:

Product names and descriptions

Category, subcategory, and material group fields

Vendor-part relationships

Price and UOM history

BOM and routing overlaps

Engineering documents or drawings (PDF, CAD)

It then calculates a similarity score and flags records with high duplication or mapping risk.

Example: Glass Manufacturer ERP Audit

A glass plant running four SAP instances found over 2,200 duplicate SKUs with inconsistent classifications and supplier mappings. AI analysis uncovered that many SKUs differed by only one word or UOM—but were triggering duplicate demand in MRP and causing conflicting PO approvals.

Post-cleanup, the company saw:

15% reduction in redundant inventory

12% faster build scheduling accuracy

Improved vendor compliance with item standardization

Why It Matters to Production and IT

No more redundant materials on the shop floor

More accurate BOMs and routings from MDM alignment

Fewer work stoppages due to item confusion

Lower data storage and ERP licensing overhead

When AI handles detection, admins can focus on validation and governance—not digging through dirty data.


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