Can't see pages of skills

[noisiver]

Describe the bug and how to reproduce it Trying to view pages of skills says page not found.

Example: https://wowgaming.altervista.org/aowow/?skill=171

Screenshots

System:

• OS: Ubuntu 22.04
• PHP version: 8.0.27
• revision used: 380aff2fc593989e13a440e3cfaf0f00ee88b0f2
• Browser (in case of JavaScript / display errors): Firefox
• AzerothCore: Yes

[noisiver]

Error message: /pages/skill.php : line 253 : Undefined constant "TYPE_SKILL"