409 error

Hello i am getting this error when i visit my site from mobile phone, working well on conpute. So, forms cant be send from mobile phone.

jquery.min.js?ver=3.5.1:2 GET https://servirecarga.com/wp-json/contact-form-7/v1/contact-forms/127/refill 409

send @ jquery.min.js?ver=3.5.1:2
ajax @ jquery.min.js?ver=3.5.1:2
s.ajax.s.ajax @ jquery-migrate.min.js?ver=3.3.2:2
wpcf7.refill @ scripts.js?ver=5.3.2:453
(anonymous) @ scripts.js?ver=5.3.2:36
each @ jquery.min.js?ver=3.5.1:2
each @ jquery.min.js?ver=3.5.1:2
(anonymous) @ scripts.js?ver=5.3.2:31
e @ jquery.min.js?ver=3.5.1:2
t @ jquery.min.js?ver=3.5.1:2
setTimeout (async)
(anonymous) @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
fire @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
ready @ jquery.min.js?ver=3.5.1:2
B @ jquery.min.js?ver=3.5.1:2

Thanks

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