Solution : https://service.sap.com/sap/support/notes/360810 (SAP Service marketplace login required)
Key words : 
system output message co901 'program error, additional key words co40, externally procured component, incorrect update record, program error, system displays, system administrator, program correction, text 'update, planned order
Related Notes : 
       
| 516986 | Purchase requisition generated for components |