Drop the unused  parameter from log_message() / CI_Log::write_log()
diff --git a/system/core/Exceptions.php b/system/core/Exceptions.php
index 9c68d06..d7e5ed4 100644
--- a/system/core/Exceptions.php
+++ b/system/core/Exceptions.php
@@ -91,7 +91,7 @@
 	public function log_exception($severity, $message, $filepath, $line)
 	{
 		$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;
-		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line, TRUE);
+		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line);
 	}
 
 	// --------------------------------------------------------------------