The DocrefContentType table is a lookup table specifying the text to display on the user interface (and reports) for the content type.

The types are fixed (have special meaning in the TOPICA framework:

1. Reference to physical document.

2. Reference to electronic (on-line) document (outside the database).

3. Reference to uploaded document stored in the current database in table Document.

Therefore, the number of records and the values of the Number field may not be changed Only Caption may be changed (to get different texts in the user interface).