Cannot activate or save my workflow

I cannot activate or save my workflow. When I try to save or activate my workflow I get the error

Workflow could not be activated:

There was a problem activating the workflow: “Unknown alias: nul”

I believe it is a result of my open ai node outputting null values:

[

{

“index”: 0,

“message”: {

“role”: “assistant”,

“content”: {

“Profile Information”: {

“Name”: “Peter SORENSEN”,

“Instagram URL”: “https://www.instagram.com/pete.sore17/”,

“Profile Description”: “As 2024 comes to a close here’s to reminiscing on the lessons learned and experiences attained, to those lost and to those who were gained.”,

“Username”: “Peter Sorensen (@pete.sore17)”

},

“<>”: “Irrelevant”,

“<>”: “The profile description does not indicate involvement in endurance sports or participation in races, nor does it offer any clues about Peter’s potential interest in endurance supplements.”

},

“refusal”: null,

“annotations”: [

]

},

“logprobs”: null,

“finish_reason”: “stop”

},