To create a change, entries are required in both fields

What causes this issue?

You want to change an easement. You did not enter the change date
<ZH>and</> the sequence number of the change.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.