Issue with validate.php - Call to undefined function c_echo()

Added latest version of librenms and tried to validate, however getting following error back

PHP Fatal error: Uncaught Error: Call to undefined function c_echo() in /opt/librenms/validate.php:175
Stack trace:
#0 /opt/librenms/validate.php(64): print_fail()
#1 {main}
thrown in /opt/librenms/validate.php on line 175

Fatal error: Uncaught Error: Call to undefined function c_echo() in /opt/librenms/validate.php:175
Stack trace:
#0 /opt/librenms/validate.php(64): print_fail()
#1 {main}
thrown in /opt/librenms/validate.php on line 175

PHP Version
PHP 7.4.3 (cli) (built: Nov 25 2021 23:16:22) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
with Zend OPcache v7.4.3, Copyright (c), by Zend Technologies

Ubuntu 20.04

I have search the forum and not found anything with this particular error, any pointers would be great.

Regards
Simon

Is was caused because the I hadn’t run the composer wrapper script to install the PHP dependencies.

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