We haven't heard of this error message before with Revaluation when retrieving the AP subledger batch from Adagio Payables into Adagio Ledger. A few things to help investigation:

- What versions of Adagio Ledger and Payables do you have installed? You can check this from the Help menu and About.

- Since you are talking about Revaluation, you are running with multicurrency enabled. Do you use Adagio MultiCurrency or the older 'Multicurrency Lite'?

- Do you also use Accpac Plus AP? If so, was the Revaluation performed using Adagio AP or Accpac AP to generate the GL transactions.

- Does the revaluation posting journal look correct to you for rates?

- You can also print the contents of the subledger batch from AP, prior to retrieval into GL. The GL Transaction report can be found on the Reports menu - sort by journal entry and preview. Look for your revaluation entries - do any of the rates appear unexpected, such as 0?
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We have heard of this if a system check run was performed with consolidated bank GL entries, paying checks to vendors of a different currency. The rate is written as blank - perhaps a process you ran into did something similar.