error: data posting not working PHP8... array_merge(): Argument #1 must be of type array, null given
Whoops!! I see these kind of errors / warnings all over the place! Testing BackDrop install on PHP8
TypeError: array_merge(): Argument #1 (closed) must be of type array, null given in array_merge() (line 48 of /var/www/backdrop/modules/civicrm/backdrop/modules/civicrm_rules/civicrm_rules.module).
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Backdrop CMS 1.24.0
MySQL Database MySQL, MariaDB, or equivalent version 10.3.35-MariaDB
PHP Version: 8.0.20 (PHP information)
Telemetry Enabled more
Web server Apache/2.4.37 (rocky) OpenSSL/1.1.1k
CiviCRM 5.58.0
also see warnings
Warning: Undefined array key "title" in include() (line 92 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%6A/6AB/6ABE93E6%%Address.tpl.php). Warning: Undefined array key "location_type_id" in include() (line 25 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Trying to access array offset on value of type null in include() (line 25 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Undefined array key "isAddSignatureFields" in include() (line 27 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Undefined array key "on_hold" in include() (line 45 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Trying to access array offset on value of type null in include() (line 45 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Undefined array key "is_bulkmail" in include() (line 47 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Trying to access array offset on value of type null in include() (line 47 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Undefined array key "is_primary" in include() (line 50 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Trying to access array offset on value of type null in include() (line 50 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php). Warning: Trying to access array offset on value of type null in include() (line 50 of /var/www/backdrop/files/civicrm/templates_c/en_US/%%72/729/7299F1C8%%Email.tpl.php).