Possible initialized jagged array error C# -


i using jagged array of gameobjects tiled map generation, , keep getting error:

indexoutofrangeexception: array index out of range. (wrapper stelemref) object:stelemref (object,intptr,object) map.generatemap () (at assets/scripts/map.cs:148) map.start () (at assets/scripts/map.cs:74)

i stumped why getting error. below full function have written initialization of jagged array. far know initializing array correctly.

void generatemap(){     mapwidth = random.range (5, 25);     mapheight = random.range (5, 25);      //initialise jagged array     genmaparray = new gameobject [mapheight][];     (int = 0; < mapheight; i++)         genmaparray [i] = new gameobject [mapwidth];      //generate mountains     int mountx = random.range(1, mapwidth - 1); // random within      int mounty = random.range(1, mapheight - 1); // map border       (int y = 0; y < mapheight+1; y++) {         (int x = 0; x < mapwidth+1; x++) {              if((y == 0 && x <= mapwidth) || (y <= mapheight & x == 0) ||                 (y== mapheight && x <= mapwidth) || (y <= mapheight && x == mapwidth)){                 genmaparray[y][x] = tiles[0];             }else{                 if(y == mounty && x == mountx){                     genmaparray[y][x] = tiles[3];                 }else{                     genmaparray[y][x] = tiles[1];                 }             }         }     }      //draw tiles on screen     (int y = 0; y < mapheight+1; y++) {         (int x = 0; x < mapwidth+1; x++) {              if (usesquaretiles == true && usehexagontiles == false) {                 gameobject.instantiate (genmaparray[y][x], new vector3 (x, mapheight - y, 0),                                         quaternion.euler (-90, 0, 0));             }              if (usehexagontiles == true && usesquaretiles == false) {                 float hexwidth = 0.75f / mathf.cos (mathf.deg2rad * 30.0f);                  gameobject.instantiate (genmaparray[y][x], new vector3 (x * hexwidth, y + (0.5f * mathf.abs (x) % 1), 0),                                         quaternion.euler (-90, 0, 0));             }         }     } }


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