2892267 - "RAISE_SHORTDUMP" in the Manage Purchase Requisitions Professional app - SAP Fiori & SAP S/4HANA

When executing some action in the Manage Purchase Requisitions Professional (F2229) app (e.g. create an item, change some data), a dump is thrown in the back-end:

Runtime Errors RAISE_SHORTDUMP
Except. /BOBF/CX_FRW_FATAL

In the Error analysis section, the following error can be found:

"The exception is related to the previous exception
 "CX_SY_MESSAGE_IN_PLUGIN_MODE" that occurred in
program "SAPLMEXF", in line 77 of include "LMEXFU18". The reason for this
exception
was:
Message A ME 028 cannot be processed in plugin mode HTTPS"

• SAP FIORI
• SAP S/4HANA

Fiori, Manage Purchase Requisitions Professional, F2229, limit items, service, CX_SY_MESSAGE_IN_PLUGIN_MODE, SAPLMEXF, ME 028, Fiori, PTAB, manage, purchase, requisition, requisitions, RAISE_SHORTDUMP, /BOBF/CX_FRW_FATAL, Message, A, ME, 028, cannot, be, processed, in, plugin, mode, HTTPS , KBA , MM-FIO-PUR-REQ-PRF , Manage Purchase Requisitions – Professional , Problem