unable to delete supply chain unit

Dear All ,

                   The supply chain unit deletion log in SLG1 gives the below error . SCU is defined as type 1003 and there is no corresponding location in /sapapo/loc3.

@5C\QError@ Error while deleting supply chain unit SP1000

@5C\QError@ SCU SP1000 is still used in delivery environment

Thanks,

Shubh.