THClient "storeCredentials" error: "Can not store frozen credentials"

I have some user of my App reporting that they are not able to store thread network credentials in keychain, the error they get is "Can not store frozen credentials".

I couldn't find documentation around this error message, can anyone help me with it's meaning? Why this specific credential can't be stored in keychain?

THClient "storeCredentials" error: "Can not store frozen credentials"
 
 
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