/moje-konto/ wp_cache_ob_callback: PHP Fatal error occurred.

Hello,

I have this error on the “my-account” dashboard page

If I deactivate the wp-super-casche plugin, the error disappears. I need help identifying the problem.

10:20:09 16419 /my-account/ Created output buffer
10:20:09 16419 /my-account/ wp_cache_get_cookies_values: cached: 02e3865b50139dc6976703cxxxxxxx
10:20:10 16419 /my-account/ wp_cache_ob_callback: PHP Fatal error occurred. Not caching incomplete page.
10:20:10 16419 /my-account/ DONOTCACHEPAGE defined. Caching disabled.
10:20:10 16419 /my-account/ wp_cache_maybe_dynamic: returned $buffer

The page I need help with: [log in to see the link]