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Hi ,

i am facing problem in array initialisation . Throwing uncaught exception “Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFArray insertObject:atIndex:]: method sent to an uninitialized immutable array object' ” during run time
my code is 

array = [NSMutableArray alloc] ;
for(n =0 ; n < 15; n++)
{
for(m = 0; m < 8; m++)
{

makeBoardView *frameView1 =[[makeBoardView alloc] initWithFrame:CGRectMake(origX,origY, frameWidth,frameHeight)];
[array insertObject:frameView1 atIndex:indexArray];// addObject:frameView1];
origX = origX + 38;
indexArray++;
[frameView1 release];
}
origX = 178.04;
origY = origY + 20.0;
}

[array addObject:nil];
NSLog(@”array element %d”,[array count]);

Kindly suggest me the solution for that issue