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Consolidated Statements of Operations and Comprehensive Loss (Details) - Schedule of Other Income - EUR (€)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Schedule of other income [Abstract]      
Other income from government grants € 13,155,250 € 20,116,542
Further other income 64,454 42,627 54,221
Total € 13,219,704 € 20,159,169 € 54,221