Error -101 LL_ERR_NO_LANG_DLL

Valid from List & Label 5
If you take a look into the declaration file you will see, that error -101 is the constant value:
LL_ERR_NO_LANG_DLL

That means List & Label could not find the Language File CM*.LNG (e.g. CMLL2101.LNG)

The language file has to be in the same directory as the CM*.DLL.
IDKBTE000277 KBTE000277