ReferenceTableActions.js:34 Uncaught TypeError: Cannot read property 'getDefaultTitle' of null
    at constructor.add (ReferenceTableActions.js:34)
    at constructor.executeFunctionByName (Ametys.js:412)
    at constructor.onPress (ButtonController.js:529)
    at constructor.handler (ext-all-debug.js:7400)
    at Object.callback (ext-all-debug.js:9249)
    at constructor.fireHandler (ext-all-debug.js:158420)
    at constructor.onClick (ext-all-debug.js:158402)
    at constructor.fire (ext-all-debug.js:21913)
    at constructor.fire (ext-all-debug.js:36708)
    at constructor.publish (ext-all-debug.js:36668)