1) When you have done with acl.xml
<group name="Admin">
<acl name="Moderator"></acl>
<acl name="SuperModerator"></acl>
<acl name="Admin"></acl>
<acl name="RPC"></acl>
<object name="resource.admin"></object>
<object name="resource.webadmin"></object>
<object name="resource.acpanel"></object>
<object name="user.Your name here"></object> <-------- change this to
Example
<object name="user.ShadowLoleris"></object> <------ this for example
2) Open (MTA Server) and let when all resources and others are done.
Than type addaccount name password
For example addaccount ShadowLoleris shadow1234
P.S The acl admin name you put should me the same you write in addaccount