Error:
Uncaught IndexSizeError: Failed to execute 'setEnd' on 'Range': There is no child at offset 78.

http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web_editor/static/lib/summernote/summernote.js:2065
Traceback:
Error: Failed to execute 'setEnd' on 'Range': There is no child at offset 78.
    at WrappedRange.nativeRange (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web_editor/static/lib/summernote/summernote.js:2065:22)
    at WrappedRange.select (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web_editor/static/lib/summernote/summernote.js:2104:30)
    at Class.showLinkDialog (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web/content/3332-df2902e/web_editor.assets_wysiwyg.js:1240:108)
    at Class.show (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web/content/3332-df2902e/web_editor.assets_wysiwyg.js:1233:699)
    at Context.invoke (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web_editor/static/lib/summernote/summernote.js:7006:39)
    at HTMLButtonElement.<anonymous> (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web_editor/static/lib/summernote/summernote.js:6991:19)
    at HTMLButtonElement.dispatch (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web/content/3329-6d4dd60/web.assets_common.js:1030:447)
    at HTMLButtonElement.elemData.handle (http://575305-master-mass-mailing-sale-fix-hbh-ff2ca6.runbot15.odoo.com/web/content/3329-6d4dd60/web.assets_common.js:1016:166)