cannot create credentials in cloud #23312
Description
Describe the problem/error/question
cannot create credentials in cloud using oauth. attempted slack and teams. receive the error without a oauth popup window. no login info was entered.
What is the error message (if any)?
OAuth Authorization Error
There was a problem generating the authorization URL
Unexpected token 'S', "Salted__(D"... is not valid JSON
Please share your workflow/screenshots/recording
(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.
{
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.errorTrigger",
"typeVersion": 1,
"position": [
752,
208
],
"id": "05bd2089-b04b-4e5f-ad5d-0fbd04513965",
"name": "Error Trigger"
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "1pqsIwwXktJ7uVHKAr29NAuqpEvEWMFgQRFN4tUIwJy4",
"mode": "list",
"cachedResultName": "Error Logs",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1pqsIwwXktJ7uVHKAr29NAuqpEvEWMFgQRFN4tUIwJy4/edit?usp=drivesdk"
},
"sheetName": {
"__rl": true,
"value": "gid=0",
"mode": "list",
"cachedResultName": "Sheet1",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1pqsIwwXktJ7uVHKAr29NAuqpEvEWMFgQRFN4tUIwJy4/edit#gid=0"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"Timestamp": "={{ $now.format('yyyy-MM-dd hh:mma') }}",
"Workflow": "={{ $json.workflow.name }}",
"URL": "={{ $json.execution.url }}",
"Node": "={{ $json.execution.error.node.name }}",
"Error Message": "={{ $json.execution.error.message }}"
},
"matchingColumns": [],
"schema": [
{
"id": "Timestamp",
"displayName": "Timestamp",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Workflow",
"displayName": "Workflow",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "URL",
"displayName": "URL",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Node",
"displayName": "Node",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Error Message",
"displayName": "Error Message",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4.5,
"position": [
1088,
64
],
"id": "73ad55d6-fcbf-4e6c-b0b6-3ae445155f7c",
"name": "Log Error",
"credentials": {
"googleSheetsOAuth2Api": {
"id": "i6YWuL4l0VVg98GD",
"name": "MyNewAgent"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"otherOptions": {}
},
"type": "n8n-nodes-base.slack",
"typeVersion": 2.4,
"position": [
896,
256
],
"id": "e75e01ed-17bf-43cc-a43a-942ed0e6d009",
"name": "Send a message",
"webhookId": "0480cfab-a895-4b37-9c68-2fc07c6726c7",
"credentials": {
"slackOAuth2Api": {
"id": "dILcwptEwYqaERgS",
"name": "Slack account"
}
}
}
],
"connections": {
"Error Trigger": {
"main": [
[
{
"node": "Log Error",
"type": "main",
"index": 0
},
{
"node": "Send a message",
"type": "main",
"index": 0
}
]
]
}
},
"pinData": {},
"meta": {
"templateCredsSetupCompleted": true,
"instanceId": "380c451353ae1d21e0188d9d296b33b20e585296ed43b59781605c4940e259c5"
}
}
Share the output returned by the last node
Debug info
core
- n8nVersion: 2.1.0
- platform: docker (cloud)
- nodeJsVersion: 22.21.1
- nodeEnv: production
- database: sqlite
- executionMode: regular
- concurrency: 5
- license: enterprise (sandbox)
storage
- success: all
- error: all
- progress: false
- manual: true
- binaryMode: filesystem
pruning
- enabled: true
- maxAge: 168 hours
- maxCount: 2500 executions
client
- userAgent: mozilla/5.0 (windows nt 10.0; win64; x64; rv:146.0) gecko/20100101 firefox/146.0
- isTouchDevice: false
Generated at: 2025-12-16T22:32:30.730Z}