5321 Constraint, primary index, or secondary index with the same name "%VSTR" already exists in table.
The constraint, primary index, or secondary index name must be unique in a table regardless of constraint type.
RES and OPT modules.
Names of join indexes and hash indexes must be unique within a database. For example, a join index must not have the same name as a table in the same database but it may have the same name as a constraint, primary index, or secondary index as in a table on which the join index is defined.
Give the constraint or index a different name and resubmit the request.