( ! ) Fatal error: Default value for parameters with a class type hint can only be NULL in /home/users/1/at-office/web/otaketakahirocom/wp-content/plugins/simple-membership/classes/class.swpm-transactions.php on line 173
Call Stack
#TimeMemoryFunctionLocation
10.0001220192{main}( ).../index.php:0
20.0002222784require( '/home/users/1/at-office/web/otaketakahirocom/wp-blog-header.php' ).../index.php:17
30.0003240520require_once( '/home/users/1/at-office/web/otaketakahirocom/wp-load.php' ).../wp-blog-header.php:13
40.0004252744require_once( '/home/users/1/at-office/web/otaketakahirocom/wp-config.php' ).../wp-load.php:50
50.0011433920require_once( '/home/users/1/at-office/web/otaketakahirocom/wp-settings.php' ).../wp-config.php:93
60.314451422208include_once( '/home/users/1/at-office/web/otaketakahirocom/wp-content/plugins/simple-membership/simple-wp-membership.php' ).../wp-settings.php:418
70.316151779832include_once( '/home/users/1/at-office/web/otaketakahirocom/wp-content/plugins/simple-membership/classes/class.simple-wp-membership.php' ).../simple-wp-membership.php:33