Solution : https://service.sap.com/sap/support/notes/433784 (SAP Service marketplace login required)
Key words :
im_for_sort parameter type opt ref type def, mmpur_bool mmpur_no purpose sortplease apply, 'parameters' button create parameter, mmpur_bool mmpur_no purpose sort2, prerequisites program error solution, additional key words me21n, parameters forthe methods listed, description im_for_sort importing, me21n/22n/23n, cl_table_view_mmselect 'methods' tab1
Related Notes :
860885 | ME21N: Problem with filter on delivery date |
636343 | ME51N/52N/53N: incorrect sort criteria for delivery date |