contact id returns very long string

Hi,
I’m using a wixUsers.login() with a valid email & pw of existing contact.
The contact id I get after, using wixUser.currentUser().id is tooooo loooong:

contactId: 993216f175c77f9494c29ebe04d65c3d52577b1620271b66aa273c3ce60f0c724053f0e99879795b21d8738193f11a1f1e60994d53964e647acf431e4f798bcdedd98a3ff9babbab5badba9da9f34806ad3d8cf5fbf8501cecbbd7a43d451535

This is the correct value: 3fa5bf67-2f63-440d-9db6-25903d7ccf49

It happens to some contacts, not for all of them.

same result with login & backend login.

What could be the reason???

Thanks,
Dafna

Hey Dafna.
I am intriqued since that key you recieve i might have an idea what is but would make very little sense you receiving it unless you stumbled into wierd code situation.
Can you supply the code your using.
Simply use the codeblock function here in the forum in your reply with the corvid code your using to recieve this value and remember to remove any parts of your code a forum should not be seeing.

best regards
Claes