Welcome to the community. 
It’s best to search for the official threads of the trainers and discuss any issues you’re having with them in there. In order to keep all the information easily accessible in one place.
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Corruption 2029 trainer seems to need an update. Maybe the devs of the game released a hot fix which broke the trainer recently. Corruption 2029 Cheats and Trainer for Epic Games
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There aren’t a lot of reports of Phoenix Point not working recently. However, if the game recently had an update then the trainer may need to be updated. Phoenix Point Cheats and Trainer for Epic Games
If you are using cracked copies of the game then that would be the cause of your issue, cracked games are often incompatible with trainers. No fix for this is possible other than buying a legit copy of the game.