Is there any way to reconstruct corrupted 24word seed phrase?

So I have my seed phrase in the crypto steel cassette https://cryptosteel.com/product/cryptosteel/

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I was using https://iancoleman.io/bip39/ to access the private keys from this seed phrase just a month ago without any problems and now I cannot compute it. it always states "invalid mnemonic", I have tried entering it numerous times to no avail. spent hours on this, tried different word combinations. if this seed was written on a paper by hand or from memory, I would think nothing of this, but this cassette is before me. no one had access to it. i live alone. no one changed the order of the words. no one knows I have this. every word on the cassette is written in 4 character format. all 24 words can only be associated with one specific word from the bip39 english wordlist when you enter first 4 characters. I am at a loss. is there some program that I can try that would chceck various combinations of the words? or alternative words? I dont know what else to do now... there are no funds on this address or other derrived addresses directly, but the private key to one of the eth addresses from this seed (+ a secret 25th word) is used as secondary form of authentication for a platform where I have a lot of funds. that is to say, even if I gave direct access to the seed to someone, there are no funds to steal, but I would like to try this myself first. If you can help me please let me know

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Can someone help me please? Point me int he right direction? What to try?

edit: found the mistake, have access now, i can sleep today.