SAP Message BA187 - &1 is not accessible in the storage system; can therefore not be deleted

Diagnosis
The data archiving process for this archiving object is configured sothat the archive files created are first stored in a connected storagesystem then processed by the delete program. After storage, a copy ofeach archive file remains in the file system. These are not removeduntil the delete program has completed successfully.
In this case, the file in the storage system is not accessible.

System Response
For security reasons, the copy of the archive file has not been removedfrom the file system.