When running alternatives returned from optimizing SQL, if it contains a reference to an object type, the object type will be confused as a bind variable and SQL Optimizer prompts users to enter a value for that bind variable.
Object Types are not supported by SQL Optimizer.
WORKAROUND:
If possible, remove the object reference in the SQL before optimizing. Once you have found a better alternative, you may add the object reference back to the alternative SQL.
STATUS:
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