Type error

Can anyone help me why I get this error on line 36? nullis in the type but somehow not asignable to it... https://tsplay.dev/WJP25N

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2 Replies

Neto•3w ago

line 29

BalduinOP•3w ago

yes, there i say that the null is this the type if it is not "ADMIN" "CUSTOMER" or "TRAIENR"