In your Line Layout of the Details Display Form, make sure that you have 2 distinct lines, one for the Amount from RT and one for the Amount from CRT, where the amounts do not occupy the same position.
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In your Cumulation ID tab, make sure your /7xx WTs are listed under both RT and CRT cumulators if they are part of cumulations (or Totals).
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In your Change Window tab, for the appropriate Change Group, make sure that the /7xx WTs are listed for both RT and CRT tables, each with it's appropriate Line Type.
