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Error : TypeError: MyTextSanitizer::htmlSpecialChars(): Argument #1 ($text) must be of type string, null given, called in /home/nc/domains/nc.com.tw/public_html/modules/liaise/class/elementrenderer.php on line 100

Backtrace:
/modules/liaise/class/elementrenderer.php (100)
/modules/liaise/include/form_render.php (58)
/modules/liaise/index.php (53)