The script command did not include sequences of temporary tables.

h2/src/main/org/h2/table/Table.java

@@ -528,7 +528,6 @@ public abstract class Table extends SchemaObjectBase {
         while (sequences != null && sequences.size() > 0) {
             Sequence sequence = sequences.get(0);
             sequences.remove(0);
-            if (!isTemporary()) {
             // only remove if no other table depends on this sequence
             // this is possible when calling ALTER TABLE ALTER COLUMN
             if (database.getDependentTable(sequence, this) == null) {
@@ -536,7 +535,6 @@ public abstract class Table extends SchemaObjectBase {
             }
         }
     }
-    }
 
     /**
      * Check that these columns are not referenced by a multi-column constraint