### Symptom

When importing a *.xsd or *.wsdl file as an External Definition in the Process Integration (PI) Enterprise Services Repository (ESR) you get the following error message:

Name contains invalid characters: .

Only a(A)-z(Z), 0-9, and "_" are permitted

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### Environment

- PI Release Independent
- SAP NetWeaver
- SAP Process Integration

### Product

SAP NetWeaver all versions ; SAP Process Integration all versions

### Keywords

Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX, XML , KBA , BC-XI-IBD , Integration Builder - Design , Problem

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