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[1] Clean up the legacy variant BOMs in BW-Classic before the migration instead of migrating them as they are
Decided on 06.07.2026 in TCK-0433: ERP test migration fails on variant BOMs. Why: • about a third of the variant BOMs point to parts that no longer exist; migrating them would copy the mess into NovaERP.
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[2] TCK-0433: ERP test migration fails on variant BOMs · Problem
The second test migration into NovaERP stopped at the bill of materials (BOM) import. 1'214 of 3'870 BOMs failed. All failed BOMs are variant BOMs that were copied by hand in BW-Classic between 2009 and 2015; many point to parts that no longer exist.
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[3] ERP migration kick-off · Options discussed
• Upgrade BW-Classic: cheapest in the short term, but the developer risk stays. • NovaERP (cloud, Swiss data centre): standard production module, bills of materials (BOM) with variants, Swiss VAT and payroll. • Two other vendors were too expensive for a company of our size.
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