Solution : https://service.sap.com/sap/support/notes/871654 (SAP Service marketplace login required)
Key words :
system issues error message ru 426, system issues error m7 266, incorrect goods movements, goods issue item, goods movement overview, goods receipt item, system response, goods issue, goods movement, goods receipt
Related Notes :
| 528534 | Error RU426 during manual entry of a goods receipt |