Signaling a problem with calculation datapoint value by script

[Limraj]

Expected Behavior Signaling a problem with calculating the value of a data point by script, so that the user knows which points show an incorrect or out-of-date value. Error propagation mechanism for scripts.

Actual Behavior Currently, the user is not informed about the incorrect calculating of the datapoint.

Specifications Version: 2.6.5

Linked: #2755