ds: Clarify handling of inability to locate reference fields
An error must be logged but activation does not fail.
<para>Only instance fields of the field types above are supported. If a
referenced field is declared with the <code>static</code> modifier or
has a type other than one of the above, SCR must log an error message
- with the Log Service, if present, and the field must not be
- modified.</para>
+ with the Log Service, if present, and the field must not be modified.
+ SCR must locate field as specified in <xref linkend="i1641644"/>. If no
+ suitable field is located, SCR must log an error message with the Log
+ Service, if present, and a field will not be modified for the
+ reference.</para>
<para>Care must be taken by the component implementation regarding the
field. SCR has no way to know if the component implementation itself may
