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Insights from our projects – concrete, practical, without marketing jargon.
Clean Core in Legacy Systems: The Inventory with the ABAP Test Cockpit
The most common reaction to Clean Core in established SAP systems: “We have twenty years of custom development in the system – where should we
From Tier 1–3 to Level A–D: Understanding the New Clean Core Level Model
Anyone who has been involved with Clean Core in recent years is familiar with the three-tier extensibility model. However, since the update of the ABAP
Clean Core in SAP S/4HANA: What it means—and why it is worth starting now
“Clean Core” is one of the most discussed topics around SAP S/4HANA—and at the same time one of the most frequently misunderstood. Many companies ask
SAP S/4HANA
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by secat GmbH · June 15, 2026
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