One should end discords and mend relations before sunset of 14th Sha’baan. Fulfil the rights of others; else get waiver so at the book of deeds is presented in His court devoid of rights of others. Regarding the rights of Allaah Kareem , mere sincere repentance is sufficient. It is mentioned in a Hadees:
التائب من الذنب كمن لا ذنب له
Whoever repents of his sin, is as if he has not committed the sin at all.