I’m having the same issue on WP 5.1.1, PHP 7.1. Here’s the full stack trace:
Fatal error: Uncaught ArgumentCountError: Too few arguments to function wp_unique_term_slug(), 1 passed in E:\Software\laragon\www\cmljnelson\wp-content\plugins\catablog\lib\CataBlog.class.php on line 3600 and exactly 2 expected in E:\Software\laragon\www\cmljnelson\wp-includes\taxonomy.php on line 2682
( ! ) ArgumentCountError: Too few arguments to function wp_unique_term_slug(), 1 passed in E:\Software\laragon\www\cmljnelson\wp-content\plugins\catablog\lib\CataBlog.class.php on line 3600 and exactly 2 expected in E:\Software\laragon\www\cmljnelson\wp-includes\taxonomy.php on line 2682
Call Stack
# Time Memory Function Location
1 0.4000 430976 {main}( ) ...\admin.php:0
2 0.4000 446048 require_once( 'E:\Software\laragon\www\cmljnelson\wp-load.php' ) ...\admin.php:34
3 0.4000 458712 require_once( 'E:\Software\laragon\www\cmljnelson\wp-config.php' ) ...\wp-load.php:37
4 0.4000 570360 require_once( 'E:\Software\laragon\www\cmljnelson\wp-settings.php' ) ...\wp-config.php:91
5 0.6700 27453376 do_action( ) ...\wp-settings.php:505
6 0.6700 27453752 WP_Hook->do_action( ) ...\plugin.php:465
7 0.6700 27453752 WP_Hook->apply_filters( ) ...\class-wp-hook.php:310
8 0.7100 27788352 CataBlog->setup( ) ...\class-wp-hook.php:286
9 0.7100 27856080 CataBlog->install( ) ...\CataBlog.class.php:2797
10 0.7100 27856080 CataBlog->install_default_term( ) ...\CataBlog.class.php:2833
11 0.7100 27856080 CataBlog->string2slug( ) ...\CataBlog.class.php:2935
12 0.7100 27856760 wp_unique_term_slug( ) ...\CataBlog.class.php:3600