Text Classifier Node is giving an error " Problem in node ‘Text Classifier‘
Could not get parameter". The AI assistant says it’s a bug. See attached photos
It looks like your topic is missing some important information. Could you provide the following if applicable.
Hi @AI_Workshop,
Could you share the error details as well or alternatively share your workflow.
I am having the same issue and when I force to continue with the error, it only gets out from my first category even when it is wrong
type or paste code here
```{
"name": "My workflow 8",
"nodes": [
{
"parameters": {
"options": {}
},
"id": "e46890f1-a076-4fa2-ba59-5cab2ce7b870",
"name": "Groq Chat Model1",
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"typeVersion": 1,
"position": [
1440,
260
],
"credentials": {
"groqApi": {
"id": "693S89XnlTfEevbc",
"name": "Groq account"
}
}
},
{
"parameters": {
"options": {}
},
"id": "49225554-557e-4194-bcfd-a157bc57c6b4",
"name": "Groq Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"typeVersion": 1,
"position": [
800,
100
],
"credentials": {
"groqApi": {
"id": "693S89XnlTfEevbc",
"name": "Groq account"
}
}
},
{
"parameters": {},
"id": "afab62cb-c64f-4e5f-8871-8a088babfee4",
"name": "No Operation, do nothing",
"type": "n8n-nodes-base.noOp",
"typeVersion": 1,
"position": [
360,
460
]
},
{
"parameters": {
"options": {}
},
"id": "8318d5af-313a-4bf5-b618-1fc58f290838",
"name": "When chat message received",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"typeVersion": 1.1,
"position": [
-340,
140
],
"webhookId": "43b9f0ec-6647-496d-8272-e5fc44b36fca"
},
{
"parameters": {
"options": {}
},
"id": "adfa5145-8cf2-4ee6-9208-d814446f799f",
"name": "Groq Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"typeVersion": 1,
"position": [
-40,
360
],
"credentials": {
"groqApi": {
"id": "693S89XnlTfEevbc",
"name": "Groq account"
}
}
},
{
"parameters": {
"messages": {
"messageValues": [
{
"message": "That person does not like us"
}
]
}
},
"id": "afe12b45-edf9-4136-bb54-5b0574c653a8",
"name": "Basic LLM Negative",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"typeVersion": 1.4,
"position": [
460,
-60
]
},
{
"parameters": {
"messages": {
"messageValues": [
{
"message": "That person like us"
}
]
}
},
"id": "85f3f5ad-ffde-47ed-9a85-fc31e193b3ae",
"name": "Basic LLM Positive",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"typeVersion": 1.4,
"position": [
620,
300
]
},
{
"parameters": {
"inputText": "={{ $json.chatInput }}",
"categories": {
"categories": [
{
"category": "Negative",
"description": "The person does not like us"
},
{
"category": "Positive",
"description": "The human likes us"
}
]
},
"options": {
"fallback": "discard"
}
},
"id": "093fbf39-78c2-4d4d-b955-5967ff54dddd",
"name": "PositXNegat",
"type": "@n8n/n8n-nodes-langchain.textClassifier",
"typeVersion": 1,
"position": [
-40,
140
],
"alwaysOutputData": false,
"executeOnce": false,
"retryOnFail": false
}
],
"pinData": {},
"connections": {
"Groq Chat Model1": {
"ai_languageModel": [
[
{
"node": "Basic LLM Positive",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Groq Chat Model2": {
"ai_languageModel": [
[
{
"node": "Basic LLM Negative",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "PositXNegat",
"type": "main",
"index": 0
}
]
]
},
"Groq Chat Model": {
"ai_languageModel": [
[
{
"node": "PositXNegat",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"PositXNegat": {
"main": [
[
{
"node": "Basic LLM Negative",
"type": "main",
"index": 0
}
],
[
{
"node": "Basic LLM Positive",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "87be1dda-cc21-4efb-bb1e-837fa02c9af7",
"meta": {
"templateCredsSetupCompleted": true,
"instanceId": "8645ba0b5ee33fc95472804da8cff26c77f44a8b9b5944bda223cb0c73e90e0c"
},
"id": "i0LuP9opvnXpTEE9",
"tags": []
}Any help would be highly appreciated, I am just depending on this to avoid programming a solution for it.
This is a known bug and I think a fix is being released soon. The workaround at time of writing is to
@Jim_Le you hero, this worked like a charm 
Thanks @Simon_Coton!
But this issue was fixed quite a while ago … definitely recommend upgrading to the latest stable version if you can.
Ah good to know, haven’t upgraded in a while so I’ll get that sorted. Thanks