Solution : https://service.sap.com/sap/support/notes/1560262 (SAP Service marketplace login required)
Key words :
open t-code sotr_edit, click 'long text' button, short text 'invalid control, run t-code se91, open message class 'grfn_entity_api', open message class 'grfn_wd_md_common', terms master data deletion, continuous control monitoring depends, t-code se91, click 'change' button
Related Notes :
| 1549787 | Process Control 10.0 Support Package 03 - Master Note |