Unable to load XMLSchema into Developer tool

Tried to load a XMLSchema into the Integration Server Developer tool. Been getting several errors with the same error code and message. Don�t know how to get around it.

errorCode: XSDC-006
errorMessage: [B2BCORE.0082.9709] Type derivation not OK: attribute declaration to be restricted is not found in the base type definition

Any thoughts on how to correct this error?

There is usually a Path attriute of the error message that points directly to the position in the XSD file which had the error.

If there isn’t one, please submit the XSD file.