* Mistakes done During the Iq?mah till Takbirat?l Ihr?m

* Mistakes done by those who recite the Iq?mah and those who hear it.

* Mal-aligned and disconnected rows.

* Abandoning the first row by those of sound minds.

* Doing Sal?t in disconnected rows.

* Reciting long Du‘?’ -which includes strange words- before Takb?ratul Ihr?m.