Solution : https://service.sap.com/sap/support/notes/2138325 (SAP Service marketplace login required)
Key words :
subsequentsap_fin720720 correction instructions correction instructionssoftware componentvalid fromvalid tonumbersap_fin7207201865712 support packages & patches support packagessoftware componentreleasesupport packagesap_fin720sapk-72001insapfin, customer component fi-gl general ledger accounting priority correction, medium priority category program error validity software componentfrom rel, prerequisites program error solution implement, correction instructions, / __%pdfstyle%__font-size, __%pdfstyle%__ / } symptom, sap fiori posting service, program termination occurs, runtime error assertion_failed