replace vars.get("$sys.selection with vars.getString("$sys.selection

...ntity/entityfields/alter/children/edit/onActionProcess.js

...children/setsteptoparticipantselection/onActionProcess.js

...ion_entity/entityfields/rowclickaction/onActionProcess.js

...setnotificationstate/children/archieve/onActionProcess.js

.../setnotificationstate/children/setread/onActionProcess.js

...etnotificationstate/children/setunread/onActionProcess.js

...ntity/entityfields/alter/children/edit/onActionProcess.js

...e_entity/entityfields/alter/children/edit/stateProcess.js

...ity/entityfields/alter/children/insert/onActionProcess.js

...entity/entityfields/alter/children/insert/stateProcess.js

...ngroup/children/addtocampaignfromtable/onActionProcess.js

process/Document_lib/process.js