3793139 - Unexpected ATP checking rule during Planned Order conversion and Missing Parts Check in /SAPAPO/RRP3

• During planned order conversion to production order, the scope of check uses an unexpected ATP checking rule.
• In /SAPAPO/RRP3 (Missing Parts Check), the checking rule applied is for Planned Orders instead of Production Orders.
• In MD04 on S/4 HANA, when setting the conversion indicator, the component check rule corresponds to Production Orders.

• SAP S/4 Hana with Embedded PP/DS.
• Advanced ATP-Check for Inhouse Production within APO.

ePP/DS, /SAPAPO/RRP3, Planned Order, Production Order, Conversion Indicator, Order Conversion, Checking Rule, aATP, Scope of Check, Availability Check, Missing Parts Check, PRREG, T438M, T399D, APO, MD_COMPONENT_ATP, PREPROCESS_ATP_CALL,  CT_ATPCSX, CO_TA_TCO11_READ, Advanced ATP , KBA , SCM-APO-PPS-ATP , ATP-Check for Inhouse Production within APO , SCM-APO-PPS , Production Planning and Detailed Scheduling , Problem