Corrigendum no. 1 under publication ref. no. CB007.2.32.170-SERV-01 for “Organization of events”, within project no. CBO007.2.32.170 “For everyone saved a tree (FOREST)”, Priority Axis: 3. Environment, Specific Objective: 3.2. Nature Protection, Type of project: Soft, co-funded by EU through the Interreg-IPA CBC Bulgaria—Serbia Programme 2014 – 2020.