2844132 - The field "G/L" is greyed out in app Create Incoming Invoices

In app Create Incoming Invoices, the field "G/L" is greyed out and can not be changed.

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SAP S/4HANA Cloud Public Edition

1. go to app Create Incoming Invoices
2. select the tab "Details"
3. find the field "G/L"
4. the field "G/L" is greyed out

There are missing configurations.

Step 1: Find Reconciliation Account Number

1. go to app Maintain Business Partner
2. search for the business partner
3. select "Supplier (Fin.Accounting)" in the field "Display in BP Role"
4. click on the button "Company Code"
5. select the tab "Vendor: Account Management"
6. find the value in the field "Reconciliation Acct"

Step 2: Define Alternative Reconciliation Accounts

1. go to SSCUI "102631 - Define Alternative Reconciliation Accounts"
2. define an alternative g/l account

Step 3: Turn on "Rec.Act Ready" Option

1. go to SSCUI "150001 - Manage G/L Account Master Data"
2. select the g/l account found from the Step1
3. click on "Edit"
4. in the tab "General", select the value "RECN" (ReconAcct ARAP Ready for Input) for the field "Account Group"
5. click on "Save"
6. click on "Edit" again
7. select the tab "Company Code Data"
8. select the line item
9. select the tab "Create/Bank/Interest"
10. check the checkbox of "Rec.Act Ready"
11. click on "OK"
12. click on "Save"

g/l account, greyed out, can not change g/l account, Create Incoming Invoices   , KBA , FI-FIO-AP-2CL , Fiori UI for Accounts Payable (Public Cloud) , How To