-721   BIND ERROR FOR PACKAGE = pkg-id CONTOKEN = contoken'X IS NOT UNIQUE SO IT CANNOT BE CREATED

Explanation

An attempt is made to add or replace a package with a consistency token that is not unique for that package. In other words, the combination of location.collection.package.consistency-token already exists.
pkg-id
Fully qualified name of the package.
contoken
Consistency token in hexadecimal.

System action

The BIND will fail.

System programmer response

Check the SYSIBM.SYSPACKAGE catalog table for names of existing application packages with the indicated consistency token. Reissue the BIND subcommand such that the location.collection.package.consistency-token is unique within the catalog. The following SQL statement can be used to query the catalog: 
SELECT COLLID,NAME
FROM loc-id.SYSIBM.SYSPACKAGE
WHERE HEX(CONTOKEN) = contoken

SQLSTATE

42710