# Part 1
* in IDE:
# open `core/units/users/users_event_handler.php` file for editing
# in the `\UsersEventHandler::OnAfterConfigRead` after `parent::OnAfterConfigRead($event);` line add `throw new RuntimeException('Sample exception');` code
# save changes
* in CLI:
# run the `phing -f tools/build/build_all.xml build` command (replace `phing` with "php74 which `phing`", when using non-default PHP version
# confirm, that `In-Portal (full) > inportal-deploy` build target will fail and display thrown exception details
# Part 2
* in IDE:
# open `core/units/users/users_event_handler.php` file for editing
# in the `\UsersEventHandler::OnAfterConfigRead` after `parent::OnAfterConfigRead($event);` line add `$this->Conn->Query('SELECT * FROM ' . TABLE_PREFIX .replace the `throw new RuntimeException('Sample exception');` code with `trigger_error('Sample fatal error', 'MissingTable');E_USER_ERROR);` code
# save changes
* in CLI:
# run the `phing -f tools/build/build_all.xml build` command (replace `phing` with "php74 which `phing`", when using non-default PHP version
# confirm, that `In-Portal (full) > inportal-deploy` build target will fail anand display exception details about the SQLtriggered error, that happened details