= Data Model Error codes
* [wiki:Public/Docs/Errors/DataModelError1003 1003: Checkin fails with error message complaining about missing DTD]
* [wiki:Public/Docs/Errors/DataModelError1002 1002: Unresolved references in content on checkin]
* [wiki:Public/Docs/Errors/DataModelError2001 2001: Login fails with error message with HRESULT: 0x80131515]