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3640111 - Error message CN 045 "no default value possible for network number" when adding a network header to an existing WBS element

Symptom

The system issues error message CN 045: "No default value possible for network number" when attempting to add a network header from templates to an existing WBS element in transacion code CJ20N.

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Environment

  • SAP ERP Project System (PS)                                                   
  • SAP ERP All versions
  • SAP ERP Central Component All versions
  • SAP R/3 All versions
  • SAP R/3 Enterprise All versions
  • SAP S/4HANA All versions
  • SAP S/4HANA Cloud Private Edition All versions
  • SAP enhancement package for SAP ERP All versions
  • SAP enhancement package for SAP ERP, version for SAP HANA All versions

Product

SAP ERP Central Component all versions ; SAP ERP all versions ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP S/4HANA Cloud Private Edition all versions ; SAP S/4HANA all versions ; SAP enhancement package for SAP ERP all versions ; SAP enhancement package for SAP ERP, version for SAP HANA all versions

Keywords

cn 045, CN045, no default value possible for network number, no proposal, external numbering, network type, CO82 , KBA , PS-ST-PB , Project Builder , Problem

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