Flashing endstop light

I got a peopoly phenom and it failed the last night and I cleaned it out and retry the print but all it does is flash the end-stop light here is a link to the video https://www.reddit.com/r/resinprinting/comments/po3ijz/peopoly_phenom_how_to_print_fail_cleaned_it_up/?utm_source=share&utm_medium=web2x&context=3

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