thanks .how can i get overstay waiver

Please, kindly be noted that, if the visa is expired and it is not renewed, you are considered a violator / overstay. Knowing that, there is no more process for adjusting over-stayers' status
Article 21 of Immigration and Residence Law
Any foreigner whose visa or residence permit has been revoked or whose residency has expired upon the expiry of the period of the authorization, visa or residence permit, and has not renewed it - in the cases where it may be - within thirty days from the expiry date, (A) a fine of not more than (100) hundred dirhams for every of illegal residence in the State as of the date of expiry of the time limit.
- For the foreign born, the period provided for in this Article shall be four months as of the date of birth, and upon its Decree without confirmation of residence, the guardian shall pay the prescribed fine. The Minister or his delegate may decide to waive all or some of the fines prescribed in this Article.
- If the fine is not paid, the violator shall be punished by imprisonment for a period not exceeding three months or by a fine not exceeding four thousand dirhams and the court may order his deportation.