TYPO3 Exception 1253175643¶
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The argument type for parameter $parameter of method ... could not be detected.¶
1253175643: The argument type for parameter $parameter of method Tx_yourExtensionKey_Controller_yourController->yourAction() could not be detected.
The GET/POST vars to action parameter mapping works only for objects or arrays and not for strings.
To get an string argument you have to fetch it by your own from the request object in your action method:
if ($this->request->hasArgument('parameter')) {
$keyword = $this->request->getArgument('parameter');
}