error log cron.php

[Tekyürek replikacep.com]

why it gives errors does anyone knows
such errors began to happen later

Type of error: Cron
8: Undefined index: spoiler_hide_button https://www.rep.com/cron.php
/var/www/vhosts/public_html/Sources/Subs.php (Satır 1886) 

[Bigguy]

This is from a spoiler mod: spoiler_hide_button. You might wanna ask the mod author. This mod may not be compatible with 2.1

[Tekyürek replikacep.com]

This is from a spoiler mod: spoiler_hide_button. You might wanna ask the mod author. This mod may not be compatible with 2.1

I'm sorry I didn't analyze  I'm wrong 

[Bigguy]

Hey, no problem. You'll get it sorted.