Question: Why there is no Business activity analytics when calculating the exchange rate difference at the end of the month?

Answer: It depends of Cost Allocation Settings 7.1.3. Cost Allocation Settings:
Example 1: PL Non-Operating Expenses (Losses on exchange differences) are distributed according to the volume of revenue:


In this case, the system distributes costs through accounting objects (orders, items, type of activity, etc.) and Business activity is transferred and stored in Dr Cr entries, and pulls up in Trial Balance report:

Example 2: PL Non-Operating Expenses (Losses on exchange differences) are distributed directly to the Profit/Loss:

This is often done without detailed operational analytics (business activity is not considered mandatory) and as a result, business activity field remains empty and analytics are not adjusted in the Trial Balance report:

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