Incremental data transfer has been configured. No transport connection

What causes this issue?

The procedure for the transfer of data changes is configured according
to user input. Note, that there is currently no transport connection
for this, so the settings in subsequent systems must be carried out
manually.

System Response

The settings apply to the current system.

How to fix this error?

If necessary, also apply the settings in subsequent systems.

Error message extract from SAP system. Copyright SAP SE.