libc abi.dylib: terminate_handler unexpectedly threw an exception

错误代码:很明显的错误,一定要谨记.

- (NSInteger)giftCountFullScreen{
    NSArray *arr = [NSMutableArray arrayWithArray:self.arrayGiftGruop];
    for (id data in arr) {
        BaseGiftItem *item = (BaseGiftItem *)data;
        if ([item.image isEqualToString:@"gift_bamboo"] && [item.price isEqualToString:@"1000"]) {
            [arr removeObject:item];
        }
    }
    return arr.count;
}