Installation Error (SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '1-7' for)

Shopware 5 Installation/Einstieg
1

Hello there,

 

"   SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry ‘1-7’ for key ‘PRIMARY’   "

I am having trouble to make an installation at last step.

Please help me.

2

Please empty the database completely and try again. This error indicates that an entry already exists as a primary key. Primary keys are unique.