Time unit not maintained for the rate. No takt time calculation

What causes this issue?

You have either not given the time unit of the rate, or the sysem can
not translate the time unit into seconds.

System Response

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

How to fix this error?

Check the time unit of the rate.

Error message extract from SAP system. Copyright SAP SE.