A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 109
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 110
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

疑難雜症萬事通 - 鎢絲燈泡光譜 - 前往 https://physcourse.thu.edu.tw/st109/實驗項目/5】光譜儀實驗/光譜/
疑難雜症萬事通
在網路上遇到任何問題都可以在這邊找找看唷

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您即將離開本站

並前往 https://physcourse.thu.edu.tw/st109/%E5%AF%A6%E9%A9%97%E9%A0%85%E7%9B%AE/5%E3%80%91%E5%85%89%E8%AD%9C%E5%84%80%E5%AF%A6%E9%A9%97/%E5%85%89%E8%AD%9C/

是否確定要離開?