Fatal error: Uncaught Error: Undefined constant marketmonitor\classes\CryptoMarketMonitor::MAX_PERCENT_CHANGE in /var/www/vhosts/cryptosmartx.com/src/marketmonitor/traits/DataValidation.php:55 Stack trace: #0 /var/www/vhosts/cryptosmartx.com/src/marketmonitor/traits/DataRetrieval.php(117): marketmonitor\classes\CryptoMarketMonitor->validateMarketStats() #1 /var/www/vhosts/cryptosmartx.com/src/marketmonitor/classes/CryptoMarketMonitor.php(378): marketmonitor\classes\CryptoMarketMonitor->getMarketStatsFromRetrieval() #2 /var/www/vhosts/cryptosmartx.com/httpdocs/improved-crypto-market-monitor.php(32): marketmonitor\classes\CryptoMarketMonitor->getMarketStats() #3 {main} thrown in /var/www/vhosts/cryptosmartx.com/src/marketmonitor/traits/DataValidation.php on line 55