How To Fix KH310 - Currency translation key & is not allowed here

KH310 - Overview

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 310

• Message text: Currency translation key & is not allowed here

What causes this issue?

The characteristic needed for variable currency translation, &V2&
(dimension "Time"), does not exist in the report.

System Response

You cannot execute currency translation &V1&.

How to fix this error?

Either select a fixed translation key (with a specific day's rate) or
another variable translation key (e.g. based on the period rather than
the day).
Or change the report. If you do this, observe the following:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

If you want to translate the currencies using a yearly exchange rate,
your report must contain the characteristic "Fiscal year".
If you want to translate the currencies using a period-specific
exchange rate, your report must contain either the characteristic
"Period/Fiscal year" or both "Period" and "Fiscal year".
If you want to translate the currencies using your own day-specific
exchange rate, your report must contain the appropriate characteristic
(for example, "Stock market day").

Error message extract from SAP system. Copyright SAP SE.

KH310 - Details

• The SAP error message KH310 ("Currency translation key & is not allowed here") typically occurs in the context of cost center accounting or internal orders when there is an issue with the currency translation key being used in a specific transaction or configuration. This error indicates that the currency translation key you are trying to use is not valid for the context in which you are working.
  Causes:
  
  Invalid Currency Translation Key: The currency translation key you are trying to use may not be defined or may not be applicable for the specific cost center, internal order, or other accounting objects.
  
  Configuration Issues: There may be configuration issues in the controlling area or the settings related to currency translation.
  Inconsistent Currency Settings: The currency settings for the cost center or internal order may not match the currency translation key being used.
  Missing Master Data: The master data for the cost center or internal order may