&1: Element &2 is typed incorrectly for this annotation

What causes this issue?

The field must have a suitable underlying type for the following
annotations: @Semantics.dateTime and @Semantics.uuid

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?

For @Semantics.dateTime:
You should use data elements which have domains similar to TZNTSTMPL,
TZNTSTMPS or TIMESTAMP.
You may also do a CAST in the CDS view to the appropriate types: DEC(21
,7), DEC(15,0) or CHAR(14)
For @Semantics.uuid
You should use data elements which have domains similar to SYSUUID_X16,
SYSUUID_C22 or SYSUUID_C32.
You may also do a CAST in the CDS view to the appropriate types: RAW16,
CHAR(22) or CHAR(32)

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.