Error, hi can't figure out how to fix it, when I load the .wad it crashes with this problem:

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ERROR in

action number 1

of Alarm Event for alarm 1

for object objDEWadLab:

global variable name 'wadDirectory' index (100427) not set before reading it.

 at gml_Script_DE_getDirectory (line 96) -                ds_list_add(wadDirectory,_directory);

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gml_Script_DE_getDirectory (line 96)

gml_Script_DE_fetchWad (line 7) -               if DE_getDirectory()==true{ //if wad is GL

gml_Object_objDEWadLab_Alarm_1 (line 3) - if DE_fetchWad(WAD){

S GM2017 Inconsistent naming. Recommended name is 'wad_directory'. DE_ActorFuncs 3:38