0x00760005 (7733253) The program could not connect to the DB2 subsystem, subsystem-name. The return and reason code (return-code, reason code') values were returned.

Explanation
An error was reported when the CONNECT request was issued
to establish a connection with the DB2 subsystem that is identified by subsystem-name.
The DB2 return and reason code information is displayed in the message. 

User response
Refer to the appropriate IBM DB2 for z/OS manual for a
description of the error condition. Correct the error before you rerun the
metadata utility.