1. Open the scheduler tool and click on 'new task'
2. Getting the following JS error and cms is inaccessible:

   Une erreur est survenue dans le traitement de la réponse serveur (TypeError: Cannot read property 'split' of null)
   	TypeError: Cannot read property 'split' of null
   	    at window.CodeMirror.splitLines (http://localhost:39006/cms/plugins/codemirror/resources/js/codemirror.js:5820:37)
       at setValue (http://localhost:39006/cms/plugins/codemirror/resources/js/codemirror.js:4996:31)
       at .setValue (http://localhost:39006/cms/plugins/codemirror/resources/js/codemirror.js:5217:40)
       at constructor.setValue (http://localhost:39006/cms/plugins/core-ui/resources/js/Ametys/form/field/Code.js:182:30)
       at constructor._init (http://localhost:39006/cms/plugins/core-ui/resources/js/Ametys/form/field/Code.js:199:18)
       at constructor.fire (http://localhost:39006/cms/plugins/extjs6/resources/ext-all-debug.js:20326:32)
       at constructor.doFireEvent (http://localhost:39006/cms/plugins/extjs6/resources/ext-all-debug.js:21244:47)
       at constructor.doFireEvent (http://localhost:39006/cms/plugins/extjs6/resources/ext-all-debug.js:65377:52)
       at constructor.prototype.doFireEvent (http://localhost:39006/cms/plugins/extjs6/resources/ext-all-debug.js:55078:35)
       at constructor.fireEventArgs (http://localhost:39006/cms/plugins/extjs6/resources/ext-all-debug.js:21097:26)
   

In Code.js, consider replacing line 196 with

if (!Ext.isEmpty(this._futureValue))