Error publishing blog on telegram channel

2021-02-04 22:30:00 INFO BlogController:177 - Sending new blog post to messengerpeople ...
2021-02-04 22:30:01 INFO MessengerPeopleProcessorController:186 - Publishing report on messengerpeople for AT-07 in de
2021-02-04 22:30:02 INFO BlogController:194 - Sending new blog post to telegram channel ...
2021-02-04 22:30:03 INFO TelegramChannelProcessorController:59 - URL: https://api.telegram.org/bot1136299486:AAE8ERQTrLj2XMufoGN4DtWIzXE-nIWGQaA/sendPhoto?chat_id=%40lawinenwarndienst_tirol&caption=Fr%C3%BChjahrs%C3%A4hnliche+Ve$
2021-02-04 22:30:03 WARN TelegramChannelProcessorController:65 - Error publishing report on telegram channel for AT-07 (error code 400)
2021-02-04 22:30:03 WARN TelegramChannelProcessorController:70 - {"ok":false,"error_code":400,"description":"Bad Request: there is no photo in the request"}