Invalid token format

Hi Alex

About every 7 days the connection to Google is cut off. I think it has something to do with the token, have disabled the cache plugin and it doesn’t help.
Can you help me please?
WP 5.6.1

Screenshot

21 Februar 2021 17:24:55 PHP 7.4.14Array
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[ERROR_MSG] => Invalid token format
[TRACE_STK] => #0 /home/doxaz/public_html/doxa/wp-content/plugins/cf-google-sheets/lib/google-sheets.php(56): Google_Client->setAccessToken(Array)
#1 /home/doxaz/public_html/doxa/wp-content/plugins/cf-google-sheets/lib/google-sheets.php(66): cfgooglesheet->refreshToken()
#2 /home/doxaz/public_html/doxa/wp-content/plugins/cf-google-sheets/includes/class-cfgs-service.php(116): cfgooglesheet->add_row(Array, ‘1KJmCTT8ms01j2K…’, ‘Anmeldungen’, true)
#3 /home/doxaz/public_html/doxa/wp-content/plugins/caldera-forms/classes/core.php(3435): Cfgs_Connector_Service->cfgs_publish(Array, Array, ‘_cf_process_603…’)
#4 /home/doxaz/public_html/doxa/wp-content/plugins/caldera-forms/classes/core.php(5213): Caldera_Forms::process_submission()
#5 /home/doxaz/public_html/doxa/wp-content/plugins/caldera-forms/classes/core.php(3831): Caldera_Forms::process_form_via_post()
#6 /home/doxaz/public_html/doxa/wp-includes/class-wp-hook.php(287): Caldera_Forms::cf_init_system(”)
#7 /home/doxaz/public_html/doxa/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#8 /home/doxaz/public_html/doxa/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#9 /home/doxaz/public_html/doxa/wp-settings.php(579): do_action(‘wp_loaded’)
#10 /home/doxaz/public_html/doxa/wp-config.php(99): require_once(‘/home/doxaz/pub…’)
#11 /home/doxaz/public_html/doxa/wp-load.php(37): require_once(‘/home/doxaz/pub…’)
#12 /home/doxaz/public_html/doxa/wp-blog-header.php(13): require_once(‘/home/doxaz/pub…’)
#13 /home/doxaz/public_html/doxa/index.php(17): require(‘/home/doxaz/pub…’)
#14 {main}
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