This file defines the text that appears when magic is dispelled based on its primary type.
The first column contains identifiers for each primary type.
The second column contains the strref that is displayed when magic of that type is dispelled.
This file can be expanded with new identifiers up to a maximum of 256 entries (values ranging from 0 to 255).
In BG2EE we have:

2DA V1.0
4294967296
            RES_REF
None        4294967296
ABJURER     8933
CONJURER    8935
DIVINER     8937
ENCHANTER   18863
ILLUSIONIST 20836
INVOKER     24274
NECROMANCER 27977
TRANSMUTER  27978
GENERALIST  27979