Autoload error

Module 'Smsa_Shipping' from '/mnt/data/home/760624.cloudwaysapps.com/ancjjhcpcr/public_html/app/code/Smsa/Shipping' has been already defined in '/mnt/data/home/760624.cloudwaysapps.com/ancjjhcpcr/public_html/app/code/Smsa/Shipping_'.