When posting a Sales Order, you may encounter an error “Business partner incompatible with collective account”, as shown below. 
To make BP compatible with collective account go to, Common data G/L Accounting Tables Accounts Go to the Miscellaneous tab, under BP authorization grid, change the authorization to “Yes” from “No” for Customer. As shown below. 
To make BP compatible with collective account go to, Common data G/L Accounting Tables Accounts Go to the Miscellaneous tab, under BP authorization grid, change the authorization to “Yes” from “No” for Customer. As shown below. 
