Purchasing Directory Credits – Directory Plugin

Ok guys so I have this configured as per the user instructions – I am unable though from the link

http://new.roberttownvillage.org.uk/listings/my-credits/

Purchase any directory credits – I can create a directory entry and it remains in draft format as I don’t have enough credits but I am unable to progress to ever purchase any as I get this error;

Signup

This feature is currently disabled by the system administrator.

I cannot see where I have disabled this.

Support Access is granted as Always.

Regards

Wayne