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# Integrations call error: Not allowed: Currency

**Solution:**

The currency on the invoice/expense is not allowed in Exact.

Please check the following settings in Exact:

Master data > Financial > Journal > Purchase journal 
- Is the checkbox  **variable currency** turned on? If not, please turn this checkmark **On**. 
- Is the checkbox **exchange rate** turned on? If so, please turn this checkmark **Off**.