Zepp not using a HR data?

On a 1.5 hr ride only 20 minutes of data is shown in the Zepp. Can this be fixed? Thanks

https://preview.redd.it/7r72ql507y0h1.jpg?width=1080&format=pjpg&auto=webp&s=b553898e7e7877c8d8d9656ae82549005c06f49e

https://preview.redd.it/hfiion507y0h1.jpg?width=2340&format=pjpg&auto=webp&s=93d344915676dccf4bf478591fb5ef10c88d024a