Saatgut ungültig

Could you elaborate on what you mean by “I validated the seed recently” ?

Unfortunately, invalid is invalid. What you entered is not correct. Send the funds to a software wallet, wipe Trezor, make new wallet, send funds to new wallet.

You can review the wiki page for commonly misspelled words here https://trezor.io/support/a/commonly-misspelled-recovery-seed-words and see if there are any instances where the issue might be reading your own writing.

It’s probably something minor that you could solve with BTCRecover
https://btcrecover.readthedocs.io/en/latest/

That said, unless you are prepared to setup an airgapped system to run BTCRecover, you shouldn’t keep using the seed…

So yea, the safest option security wise would be to move everything off and reinitialize with a new seed.

Actually it is quite easy to make mistakes when writing or reading the seed phrase, because many of the words in the BIP39 list are similar with only 1 letter difference, so making an error is easy, e.g. fog/dog, boat/goat, wait/want, etc.

Each word is in a 2048-word list: https://github.com/bitcoin/bips/blob/master/bip-0039/english.txt

There are MANY similar words in the list, here are just a few example:

[’sight‘, ‚eight‘, ‚light‘, ’night‘, ‚right‘]

[‚vote‘, ’note‘]

[‚toast‘, ‚coast‘, ‚roast‘]

[’sight‘, ‚eight‘, ‚light‘, ’night‘, ‚right‘]

[’sound‘, ‚found‘, ‚round‘]

[’shock‘, ’stock‘]

[‚aware‘, ‚awake‘]

[’sing‘, ‚ring‘, ’song‘, ‚wing‘]

[‚unable‘, ‚enable‘]

Since there is 2048 words in the list, each word is equivalent to 11 bits (2^11 = 2048). The last 8 bits of the 24th word (or the last 4 bits of the 12th word) is a checksum, so not all combinations of words are valid, which helps to find out if a word was changed from an originally valid list (e.g. error in writing or reading the recovery phrase/seed).

The good news is that this sort of problem can be resolved and the correct phrase can be found using bruteforce techniques. We routinely do that for our clients who need recovery services.

Bruteforcing is tedious by hand but can be performed easily using specialized software tools. If you want to do it yourself with tools downloaded from the internet (e.g. BTCrecover), make sure you check them by reading their their source code if you can (or risk your seed to be stolen!).

You can also use the Ian Coleman BIP39 tool, in which you can easily manually enter seed phrases to test if they are valid.

Make sure to run the any recovery software tool (including the Ian Coleman tool) in a very secure environment, on an off-line (air-gapped) computer, preferably in an amnesiac environment, or at least in a virtual machine (e.g. virtualbox) that you can completely wipe off after use.

If you validated the seed once, then there is no way that you could have written it down wrong.