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Error : ArgumentCountError: Too few arguments to function XoopsModules/Wfresource/Pdf::__construct(), 0 passed in /modules/wfchannel/class/PageHandler.php on line 481 and exactly 1 expected

Backtrace:
/modules/wfchannel/class/PageHandler.php (481)
/modules/wfchannel/index.php (132)