If you are in the erpcustom.cfg > Block [USERDIALOG] for the Physical material field with list field entries from cns_material.cfg and the Entry "Please select..." , be sure to use the configuration file precedes the text with a semicolon to create an empty internal value. This will turn the field red after an OK if no valid entry has been selected. This behavior then corresponds in 3Dfindit to the earlier PARTdataManager. ^[31]

Dialog after clicking on "Add to link database [Add to link database]".

cns_material.cfg

[*]
1=;Please select...
2=8.8;(Standard)
3=10.9;(mittelfest)
4=12.9;(hochfest)
5=St 37
6=St 52

The translation of "Please select..." is possible. It is only important to also enter the semicolon in the block heading.

cns_material.def

[;Please select...]
default=Please select...
german=Bitte auswählen...
english=Please select...