Solution : https://service.sap.com/sap/support/notes/799649 (SAP Service marketplace login required)
Key words :
equipment mastermaterial number selection, serial number selection, initial equipment number, executing transaction iq03, long runtime occurs, required resulting quantity, long execution times, time-consuming checks, relevant key fields, runtime problem reason
Related Notes :
724545 | Adjusting the CBO statistics manually using DBMS_STATS |
176754 | Problems with CBO and RBO |