1 0 - exit with no error 2 1 - Cen't access witch right mode (read or write) configuration file. 3 2 - (not used), 4 3 - Variable of given path not found (path not found). 5 4 - Variable path not given. 6 5 - Can't remove root element (cused if someone try to unset it) 7 6 - Can't find parent element 8 7 - Variable unset failed. 9 8 - Configuration file write failed. 10 9 - Variable value not given. 1110 - Inconsistent value type (caused if set exisitng variablen and give type another then saved). 1211 - Variable set failed. 1312 - Incorrect data format. 1413 - Variable type not given (in som cases tu set variable, giving his type are necesery). 1514 - Inlegal data type (caused if user give type thet not known for libconfig9). 1615 - Bad name of variable (curently chcecking only if enpty stringa are given). 1716 - Inavlid configuration variable path. 1817 - New named configuration variable can be added only to group element. 1918 - Prohibited data type (caused when use type then connot be use in given case). 20 21