[Resolved] Fatal error: Uncaught Error: Undefined class constant 'CAP_MANAGE_TRANSLATIONS'

Upon enabling the string translation plugin I am getting the following error. I am unable to activate WPML String Translation plugin. I also need to activity gravity forms WPML translation.

Fatal error: Uncaught Error: Undefined class constant 'CAP_MANAGE_TRANSLATIONS' in /www/wwwroot/staging.spcfz.ae/wp-content/plugins/wpml-string-translation/classes/actions/class-wpml-st-remote-string-translation-factory.php:18 Stack trace: #0 /www/wwwroot/staging.spcfz.ae/wp-content/plugins/wpml-string-translation/classes/actions/class-wpml-st-remote-string-translation-factory.php(11): WPML_ST_Remote_String_Translation_Factory->on_tm_loaded() #1 /www/wwwroot/staging.spcfz.ae/wp-content/plugins/sitepress-multilingual-cms/classes/action-filter-loader/class-wpml-action-filter-loader.php(74): WPML_ST_Remote_String_Translation_Factory->add_hooks() #2 /www/wwwroot/staging.spcfz.ae/wp-content/plugins/sitepress-multilingual-cms/classes/action-filter-loader/class-wpml-action-filter-loader.php(47): WPML_Action_Filter_Loader->load_factory_or_action() #3 /www/wwwroot/staging.spcfz.ae/wp-content/plugins/wpml-string-translation/plugin.php(62): WPML_Action_Filter_Loader->load() #4 /www/wwwroot/staging.spcfz.ae/wp-includes/class-wp-hook. in /www/wwwroot/staging.spcfz.ae/wp-content/plugins/wpml-string-translation/classes/actions/class-wpml-st-remote-string-translation-factory.php on line 18