Reseller setup wizard fails with error: "No access rights granted to method".
The error can be found in the Problem Reports list or in the billing.log in case reseller initialization wizard hangs due to a large number of delegated plans.
Problem report related to the issue looks like the following in the: Home - System - Logs - Problem Reports
1730249 0xb390bec5 System ErrorNo access rights granted to method [Reseller Company name] 14-Feb-2018 06:33:25 Control Panel No
Details: Method billing_56102::STORES_Object.GetStoreListForRESELLERGATE is forbidden for user xxxx
Reseller's User (xxxx) has custom (or modified) role "Full Access", which does not have privilege "CONFIG_STORE".
Create another custom role under Reseller's Vendor, which has privilege "CONFIG_STORE" Attach new customer role to problematic user.