System error in pop-up window. Transaction changed

What causes this issue?

An error has been determined whilst processing an pop-up window.

System Response

The system will swap to the transaction you selected.
Your processing in the pop-up window has not been taken into account.
Your entries may have been lost.

How to fix this error?

Contact your Systems Specialist.

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

Error message extract from SAP system. Copyright SAP SE.