Getting error message: "Nonce has been renewed. Please try again" and "Error Cookie check failed"

for the last few days i am receiving "Nonce has been renewed. Please try again" and "Error Cookie check failed" while it worked even with this. but since today it keeps going on, can't save group/tags ETC. plugins: Version 2.9.31

console log show these:

Failed to load resource: the server responded with a status of 403 ()
boot.js?ver=2.9.31:2 Uncaught (in promise) Objectcode: "rest_cookie_invalid_nonce"data: {status: 403}message: "Cookie check failed"[[Prototype]]: Object
/wp-json/fluent-crm/v2/labels?query_timestamp=1736179391924:1

    Failed to load resource: the server responded with a status of 403 ()

/wp-json/fluent-crm/v2/campaigns?per_page=10&page=1&with%5B%5D=stats&query_timestamp=1736179391923:1

    Failed to load resource: the server responded with a status of 403 ()

/wp-admin/admin.php?…s&t=1736179391925:1 Uncaught (in promise)

and more of them.