A doormat heroine, she let's everyone take advantage of her because they are either family, good friends, friend of the family, a person who did good to your mom in the past. There is being good people and there is letting everyone take you for granted. Soraya looking at you girl.
A hero who has no growth from being immature and petty over really small insignificant things but takes it to extremes over really bad misunderstanding and has someone innocent and close to his antagonist pay the price and he then over night he changed and is remorse.
The silly over the top friend who always does something silly to make the scenes funny, and fail. This should be stopped completely it is not needed, unless the scene calls for it, such as a good friend trying to cheer up a broken hearted heroine or hero.
Rushed romances at the very end, they go through hell and back, there are some many misunderstandings and complications that there was no time for romance, but all of a sudden the last three minutes they confess, are engaged and looking at the sunset or gardens or beach and the end...nope, don't rush to give us what you think we want in a lakorn just let them be at peace and make a part two and focus on their love if you want to give us a bit of romance, don't do it at the very end with no development of their feelings. If you are an action, fantasy, mystery or a combo of those genres in lakorn business stick with it, don't bs us with a bit of bad romance between leads all the way at the end.