When you create new service contract from sales quote, an error Type change cross Contract is not supported with Item is trigger.
SAP Cloud for Customer.
Reproducing the Issue
Go to the Sales work center.
Go to the Sales Quotes view and search with quote LMN (where LMN is the sales quote id).
Open sales quote LMN and go to the Sales Documents facet.
Go to the Contract section and click on the New button.
In the New Contract screen, under field name Type select SRV from drop-down (where SRV is service contract type ).
You get error as Type change cross Contract is not supported with Item.
We only allow creating of sales contract from sales quote document.
Creation of service contract from sales quote is currently not supported and this is an expected system behavior.
Service Contract from Quote , KBA , LOD-LE-COP , Contract Processing , LOD-LE-COP-SRV , Service Contract , Problem