chronoforms v5 does not send emails anymore

Hi,
I saw today that chronoform v5 does not send emails anymore. I have no idea why this is so. Would it be possible that someone looked at this?
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Domain: https://www.karibikreisen24.de/component/com_chronoforms5/Itemid,2/view,form/
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regards
chevron08

Hi chevron08,
​
Please add a Debugger to the form on Submit event temporarily and copy and paste the debug output here.
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Bob

Hi, thank you Bob for your support...
here is the debug output:
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Data Array

Array
(
    [chronoform] => Kontakt
    [event] => submit
    [vorname] => Eintracht
    [nachname] => Frankfurt
    [telefon] => 01901899
    [anschrift] => 
    [plz] => 
    [ort] => 
    [email] => jochen.eurich@billigfly.de
    [nachricht] => This is a Test
    [g-recaptcha-response] => 03AL4dnxocRt3UeDio-QzIU66hZUs2JVOTUJ0vHYIh8oFOXkABnYNiQ_EezzTp9rPAnb3Oy5v2CiUUul-unU1FCsZprOHtvaZ3nvnwrzqW6ZJW3uvebxHfgadHg0oViYjXzS9mM7948LqdakhqPA_AoWJ_6OrQmTz-uywIPRANA_-ho_XFrFaRnPqcSKIihWWV1Zpdxyl36OzIyWJAbR-BCXN9d_cU7Oe_PThb2RWJOk4ArJVyhPupr688ulvxxtAg4fM1vgtrhtYtlr0QQbro4HBAhB284zuSupwz91yZmXA-Rqpp_WcS0ycnccBxKMPa4syGV1nyt31KhZCgOJgiLJLIpZmkfwK5mA
    [Datenschutzerklärung] => 1
    [button10] => absenden
)

Array
(
)

Errors

Array
(
)

Debug Info

Array
(
)

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regards
chevron08

Hi chevron08,
​
There is no sign of an Email action there at all ???
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Bob