Error WS266 in settlement of customer condition contract

Hello everyone,

I am having an error (WS266) while trying to make a settlement of a settcondition contract in transaction WB2R_SC. I am using the ERP 606. I have already made this customizations:

SPRO: Logistics - General -> Agency Business -> Basic Settings-> Determine Partner Determination -> Partner Maintenance on Header level and assigned roles and had assigned a document type to the scheme.

Can anyone help me how to proceed now?