-627 THE ALTER STATEMENT IS INVALID BECAUSE THE TABLE SPACE OR INDEX HAS USER-MANAGED DATA SETS

Explanation
  This error is issued for the
following reasons: a CREATE or ALTER statement specified a PRIQTY, SECQTY, or ERASE
clause, USING STOGROUP was not specified, and the table space or index
has user-managed data sets. The primary and secondary space allocation
of a user-managed data set cannot be altered by means of an ALTER
statement.
an ALTER statement attempted to define a clone table for a base
table that is in a table space that has user-managed data sets. A
clone table cannot be defined for a base table that is in a table
space that has user-managed data sets.

System action
 The statement cannot be processed.

Programmer response
  Verify that the correct
table, index, or partition is specified. 

SQLSTATE
  55016 