&1 &2: Calculated finish conflicts with finish constraint

What causes this issue?

You have defined a finish constraint on a superior project element. The
calculated earliest or latest finish date of the project element &V1&
&V2& violates this constraint.
Example:
The finish constraint <ZK>Must finish on</> is defined with the finish
constraint 4.28. However, the calculated finish date of the task is
4.29.

System Response

&V1& &V2& does not have any lower-level project elements, for example,
task without subtasks:
The system transfers the finish date of the constraint from the superior
project element as the corresponding finish date for the project element
&V1& &V2&.
&V1& &V2& does have lower-level project elements, for example, task with
subtasks:
The system does <ZH>not</> transfer the finish date of the constraint
from the superior project element as the corresponding finish date for
the project element &V1& &V2& because this is defined by the lower-level
project elements in bottom-up scheduling.

How to fix this error?

In <LS>bottom-up scheduling</>, the dates of the superior project
elements are generally specified by the dates of their lower-level
project elements.
Therefore, check the constraint on the superior project element. A
constraint on a lower-level project element can have the same effect.

Procedure for System Administrators

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.