You need to discuss this with the community of the game, they will be able to assist you.
https://www.speedrun.com/rehydrated/forum
They also have a discord server linked on their LBs.
[quote=Lieutenant_Boo] You could, you know, split manually? Or not use a timer?[/quote] While technically a correct statement since people can run whatever they want, if the user wants to submit to the LBs a timer on-screen with the autosplitter is required for all runs. [quote=From the Rules of the Game] Adequate video and audio evidence is required for all submissions. LiveSplit must be present and clearly display the timer's automatic start and finish.
All submissions must be timed automatically through the LiveSplit auto-splitter system[/quote] That being said, it doesn’t look like OP posted in the game’s forums, so @PyotrR , you need to actually talk to the community of the game and talk through your issues with them so they can help you. If you posted in the Discord instead, my apologies, I’m not in that server to see that. But I’d be very surprised if nobody can help you or won’t help you with any issues you have since that game has a very large community of runners right now.
Sorry for not responding in such a long time. At the time, people didn't respond or help me whatsoever, so I decided I would just give up and try and time it after the speedrun was recorded. Nevertheless, someone finally responded and did help me fix it. Thanks for the support.