Have to attend court because i was driving without...

We would like to inform you that the penalty for driving without a license in Qatar is imprisonment and a fine, or one of the two penalties.
If you do not attend because of the military service, the judgment will be in absentia
Here is the text of the Qatar Traffic Law related to your inquiry:
Article (29)
However, it is not permissible to drive any motor vehicle on the road except after obtaining a driving license from the licensing authority, which authorizes its holder to drive such a vehicle.
Article (94)
Without prejudice to any severer penalty provided for by another law, an offender shall be sentenced either to imprisonment for not less than one (1) month and not more than three (3) years or to a fine of not less than ten thousand (10,000 ) riyals and not more than fifty thousand (50,000) riyals for offences under Articles 12 / first and second paragraph, 29 / first paragraph, 38, 41 / first paragraph, 42 / first paragraph, 43 / second paragraph, 45 / first paragraph, 47, 50 / first paragraph, 51, 52, 560, 57 / items 1.2, 3, 7.5, 58, 59, 72 / second and fourth paragraph, 85, 86 / first, second, third, fourth and fifth paragraph of the present Law.
Anyone committing a second or subsequent offense under Article 29 / first paragraph of the present Law shall be sentenced to a single mandatory term of not less than one week and not more than three (3) years, a fine of not less than twenty thousand ( 20,000) riyals and not more than fifty thousand (50,000) riyals.

We recommend that you seek the assistance of a lawyer in order to provide the necessary legal assistance, provided that the lawyer provides a copy of the driving licenses that you have obtained in order to reduce the judgment that the judge will issue against you