The error log shows:
[28-Oct-2021 04:47:34 UTC] PHP Warning: Use of undefined constant INTL_IDNA_VARIANT_UTS46 - assumed 'INTL_IDNA_VARIANT_UTS46' (this will throw an Error in a future version of PHP) in /home2/vyapark/public_html/paper/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php on line 18
[28-Oct-2021 04:47:34 UTC] PHP Warning: idn_to_ascii() expects parameter 3 to be int, string given in /home2/vyapark/public_html/paper/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php on line 18
[28-Oct-2021 04:47:34 UTC] PHP Warning: Use of undefined constant INTL_IDNA_VARIANT_UTS46 - assumed 'INTL_IDNA_VARIANT_UTS46' (this will throw an Error in a future version of PHP) in /home2/vyapark/public_html/paper/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php on line 31
[28-Oct-2021 04:47:34 UTC] PHP Warning: idn_to_ascii() expects parameter 3 to be int, string given in /home2/vyapark/public_html/paper/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php on line 31
[28-Oct-2021 04:47:34 UTC] PHP Warning: Use of undefined constant INTL_IDNA_VARIANT_UTS46 - assumed 'INTL_IDNA_VARIANT_UTS46' (this will throw an Error in a future version of PHP) in /home2/vyapark/public_html/paper/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php on line 31
[28-Oct-2021 04:47:34 UTC] PHP Warning: idn_to_ascii() expects parameter 3 to be int, string given in /home2/vyapark/public_html/paper/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php on line 31
[28-Oct-2021 04:47:34 UTC] [Cloudflare] ERROR: [CLIENT API] Array