EXM Error: TypeError: ribbonFrame is undefined in Sitecore 9.0.2 In Sitecore 9.0.2, have you seen this error in console “EXM Error: TypeError: ribbonFrame is undefined” while you are creating custom EXM message template and applying components? Solution: Below patch file will be the solution: If you does not have Experience Accelerator (SXA) module installed, please use the link below: https://sitecore.box.com/s/6lrwqkwkjyq6cppbk5qrg3vfamfrolzg But if you do have SXA installed, use the link below instead https://sitecore.box.com/s/uqkmvuernr6kv56lyopt8t8zevui47lo