CI_Exceptions :: show_exception（）必须是Exception

Question

我使用php7在codeigniter 3.0中出错。请看下面的错误并帮助我。

您能否告诉我codeigniter 3.o的代码和系统库有什么问题。

PHP Fatal error:  Uncaught TypeError: Argument 1 passed to CI_Exceptions::show_exception() must be an instance of Exception, instance of Error given, called in /var/www/html/vsports/cron/system/core/Common.php on line 663 and defined in /var/www/html/vsports/cron/system/core/Exceptions.php:190
Stack trace:
#0 /var/www/html/vsports/cron/system/core/Common.php(663): CI_Exceptions->show_exception(Object(Error))
#1 [internal function]: _exception_handler(Object(Error))
#2 {main}
  thrown in /var/www/html/vsports/cron/system/core/Exceptions.php on line 190

Fatal error: Uncaught TypeError: Argument 1 passed to CI_Exceptions::show_exception() must be an instance of Exception, instance of Error given, called in /var/www/html/vsports/cron/system/core/Common.php on line 663 and defined in /var/www/html/vsports/cron/system/core/Exceptions.php:190
Stack trace:
#0 /var/www/html/vsports/cron/system/core/Common.php(663): CI_Exceptions->show_exception(Object(Error))
#1 [internal function]: _exception_handler(Object(Error))
#2 {main}
  thrown in /var/www/html/vsports/cron/system/core/Exceptions.php on line 190

A PHP Error was encountered

Severity: ErrorMessage:  Uncaught TypeError: Argument 1 passed to CI_Exceptions::show_exception() must be an instance of Exception, instance of Error given, called in /var/www/html/vsports/cron/system/core/Common.php on line 663 and defined in /var/www/html/vsports/cron/system/core/Exceptions.php:190
Stack trace:
#0 /var/www/html/vsports/cron/system/core/Common.php(663): CI_Exceptions->show_exception(Object(Error))
#1 [internal function]: _exception_handler(Object(Error))
#2 {main}
  thrownFilename: /var/www/html/vsports/cron/system/core/Exceptions.phpLine Number: 190