Hi @siva_sogalapalli
As per your suggestion i have tried to delete the multi text and add it again but the editing didn't work. I have got some error in the error.log which i am mentioning below:-
05.07.2022 07:38:54.496 *ERROR* [10.182.60.81 [1657021133085] GET /mnt/overlay/dam/cfm/models/editor/content/editor.html/conf/qkt/settings/dam/cfm/models/testmodel HTTP/1.1] org.apache.sling.servlets.get.impl.DefaultGetServlet No renderer for extension html, cannot render resource TypeOverwritingResourceWrapper, type=dam/cfm/models/editor/components/datatypeproperties/translatablefield, path=/conf/qkt/settings/dam/cfm/models/testmodel/jcr:content/model/cq:dialog/content/items/1657020207508, resource=[TypeOverwritingResourceWrapper, type=dam/cfm/models/editor/components/datatypes/field, path=/conf/qkt/settings/dam/cfm/models/testmodel/jcr:content/model/cq:dialog/content/items/1657020207508, resource=[JcrNodeResource, type=dam/cfm/admin/components/authoring/contenteditor/multieditor, superType=null, path=/conf/qkt/settings/dam/cfm/models/testmodel/jcr:content/model/cq:dialog/content/items/1657020207508]]