Generate in SAP missing CO/PC documents from FI documents

Recently we had a problem, that due to wrong settings, no CO and PC documents were created after posting of on P/L accounts in FI.
Found this perfect documentation on SAP Wiki.

Just to be sure, local copy as PDF: Document CO from FI.pdf
Transaction: OKBA – generate CO documents
Transaction: 1KE8 – generate PC documents

Example of selection for 1KE8:

OSS Note 98520