3583372 - Cannot Maintain Opportunity Involved Item Party as Mandatory

When trying to set an Opportunity Involved Item Parties as Mandatory, the field is grayed out. 

SAP Cloud for Customer

1. Go to Business Configuration WC > Overview
2. Search for Opportunities
3. Click Maintain Involved Item Parties
4. Select an Involved Party
5. Mandatory flag cannot be checked

The Party Roles on Item level are copied from Header parties.

The Competitor party (or any other custom Involved Item Party) can only be made mandatory at the Header level through Maintain Involved Parties.

At the Item level (Maintain Involved Item Parties), it is greyed out by default. 

Please note: In C4C, some party roles are greyed out or set as mandatory by default, and it cannot be changed.

KBA 2958251 - Not able to Maintain Involved Parties - Only one Party Role Available

opportunity, item party, involved parties, involved item parties , KBA , LOD-CRM-OPP , Opportunity Management , Problem