SPC015204: Do not define duplicate ContentType ID

ContentType ID must be unique.

TypeName: DoNotDefineDuplicateContentTypeID
CheckId: SPC015204
Severity: Error
Type: ContentTypeDefinition
Resolution

The ID of a ContentType must beunique. In some case the id of a content type could be used more than once because of copy-paste errors during development. See sample below:

<ContentType
   ID="0x0102001E41EAB6184B11E0AE8631B7DFD7208553"
   Name="$Resources:Document"
   Group="$Resources:Document_Content_Types"
   Description="$Resources:DocumentCTDesc"
   Version="0">
   <FieldRefs>
      ...
   </FieldRefs>   
</ContentType>

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