There are different ways to repair MySQL table. Below are the steps to repair it from cPanel/WHM:

From WHM:

1. Login to WHM (http: //www.domain.com:2086)
2. Go to SQL Services.
3. Repair a Database.
4. Select database name and click Repair Database.

From cPanel:

1. Login to cpanel (http ://www.domain.com:2082)
2. Go to MySQL Server section.
3. Go to MySQL Account Maintenance
4. Search database.
5. Click on Repair.

Note: Replace domain.com with your domain name.