@Vincent_Wasteels
We’re looking into why the previews aren’t showing for some, but here’s the JSON code mentioned. If you’re still running into issues, please create a new topic 
{
"meta": {
"instanceId": "78d825d87f785724cf43630a4288f440c19503b47b2cc3ea56a86f39cc755ff3"
},
"nodes": [
{
"parameters": {
"operation": "insert",
"collection": "accounts",
"fields": "=_id, item, name, marketingName, currencyCode, balance, type, subtype, number, taxNumber, owner, bankData, creditData,",
"options": {
"dateFields": "",
"useDotNotation": true
}
},
"name": "Save Accounts to DB",
"type": "n8n-nodes-base.mongoDb",
"typeVersion": 1,
"position": [
1640,
620
],
"id": "b1a432b2-e715-4f10-a615-bcf6282fe450",
"credentials": {
"mongoDb": {
"id": "1",
"name": "MongoDB account"
}
}
},
{
"parameters": {
"fieldToSplitOut": "results",
"options": {}
},
"name": "Accounts List",
"type": "n8n-nodes-base.itemLists",
"typeVersion": 1,
"position": [
720,
600
],
"id": "62515fd9-21d5-40f4-bafc-836cff7604d2"
},
{
"parameters": {
"keys": {
"key": [
{
"currentKey": "id",
"newKey": "_id"
}
]
},
"additionalOptions": {
"regexReplacement": {
"replacements": [
{
"searchRegex": "=",
"options": {}
}
]
}
}
},
"name": "Rename Account Id",
"type": "n8n-nodes-base.renameKeys",
"typeVersion": 1,
"position": [
940,
600
],
"id": "24a74a6b-c4bb-442b-813a-45fb8150eb57"
},
{
"parameters": {
"keys": {
"key": [
{
"currentKey": "id",
"newKey": "_id"
}
]
},
"additionalOptions": {}
},
"name": "Rename Transaction Id",
"type": "n8n-nodes-base.renameKeys",
"typeVersion": 1,
"position": [
1880,
840
],
"id": "62c8ae10-8fc7-42dc-b8b4-08159cb6a2ec"
},
{
"parameters": {
"operation": "insert",
"collection": "transactions",
"fields": "=_id, accountId, date, category, currencyCode, amount, description, descriptionRaw, status, type, creditCardMetadata, paymentData, providerCode",
"options": {
"dateFields": ""
}
},
"name": "Save Transactions to DB",
"type": "n8n-nodes-base.mongoDb",
"typeVersion": 1,
"position": [
2600,
860
],
"id": "e0b11903-f1ba-4641-9ece-143052813fc3",
"credentials": {
"mongoDb": {
"id": "1",
"name": "MongoDB account"
}
}
},
{
"parameters": {
"keys": {
"key": [
{
"currentKey": "id",
"newKey": "_id"
}
]
},
"additionalOptions": {}
},
"name": "Rename Item Id",
"type": "n8n-nodes-base.renameKeys",
"typeVersion": 1,
"position": [
720,
360
],
"id": "03d21844-f1c7-4ded-9039-8f007b3457f6"
},
{
"parameters": {
"operation": "insert",
"collection": "items",
"fields": "=connector, _id, clientUserId, error, executionStatus, parameter, status, statusDetail, webhookUrl, createdAt, lastUpdatedAt, updatedAt",
"options": {
"dateFields": "=",
"useDotNotation": true
}
},
"name": "Save Item to DB",
"type": "n8n-nodes-base.mongoDb",
"typeVersion": 1,
"position": [
940,
360
],
"id": "41f99fca-9cfb-47dc-b1dc-b473eb7beb0b",
"credentials": {
"mongoDb": {
"id": "1",
"name": "MongoDB account"
}
}
},
{
"parameters": {
"operation": "removeDuplicates",
"compare": "selectedFields",
"fieldsToCompare": {
"fields": [
{
"fieldName": "results.accountId"
}
]
},
"options": {
"removeOtherFields": false
}
},
"name": "Unique Accounts with Transactions",
"type": "n8n-nodes-base.itemLists",
"typeVersion": 1,
"position": [
1400,
1060
],
"id": "f3d2554f-c6f2-452c-a3ba-ea4c562870f3"
},
{
"parameters": {
"fieldToSplitOut": "results",
"include": "allOtherFields",
"options": {}
},
"name": "Transactions List with Pages",
"type": "n8n-nodes-base.itemLists",
"typeVersion": 1,
"position": [
1200,
1060
],
"id": "454ac762-c500-403c-9ca1-11687f65bac4"
},
{
"parameters": {
"conditions": {
"number": [
{
"value1": "={{$json[\"page\"]}}",
"value2": "={{$json[\"totalPages\"]}}"
}
]
}
},
"name": "More Pages?",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
1640,
1060
],
"id": "a04a66e5-54bc-4a32-a286-b3196fa52b6f"
},
{
"parameters": {
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"url": "https://xxxxx",
"options": {},
"queryParametersUi": {
"parameter": [
{
"name": "pageSize",
"value": "50"
},
{
"name": "accountId",
"value": "={{$json[\"id\"]}}"
}
]
}
},
"name": "Get Transactions First Page",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 2,
"position": [
940,
840
],
"id": "236123c3-35dc-482d-8a0c-727393f3c11a",
"credentials": {
"httpHeaderAuth": {
"id": "3",
"name": "Clockify"
}
}
},
{
"parameters": {
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"url": "https://xxxxx",
"options": {},
"queryParametersUi": {
"parameter": [
{
"name": "accountId",
"value": "={{$json[\"results\"][\"accountId\"]}}"
},
{
"name": "page",
"value": "={{parseInt($json[\"page\"]) + 1}}"
},
{
"name": "pageSize",
"value": "50"
}
]
}
},
"name": "Get Transactions Next Pages",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 2,
"position": [
1880,
1040
],
"id": "259c7ba3-7807-407f-88ed-1a17f7cf16ee",
"credentials": {
"httpHeaderAuth": {
"id": "3",
"name": "Clockify"
}
}
},
{
"parameters": {
"operation": "aggregateItems",
"fieldsToAggregate": {
"fieldToAggregate": [
{
"fieldToAggregate": "results"
}
]
},
"options": {
"disableDotNotation": false
}
},
"name": "Aggregate Results",
"type": "n8n-nodes-base.itemLists",
"typeVersion": 1,
"position": [
1400,
840
],
"id": "b73251a6-5dfc-4a51-b33a-8930cecedd82",
"disabled": true
},
{
"parameters": {
"fieldToSplitOut": "results",
"options": {
"disableDotNotation": false
}
},
"name": "Final Transactions List",
"type": "n8n-nodes-base.itemLists",
"typeVersion": 1,
"position": [
1640,
840
],
"id": "cfd5674d-e36b-42ab-9fb3-627e83e6d704",
"disabled": true
},
{
"parameters": {
"mode": "mergeByKey",
"propertyName1": "itemId",
"propertyName2": "_id"
},
"name": "Merge Item with Account",
"type": "n8n-nodes-base.merge",
"typeVersion": 1,
"position": [
1180,
620
],
"id": "07ec3b4a-8df9-4791-a75a-f7510c8cf2fb"
},
{
"parameters": {
"functionCode": "item.item = {\n _id: item.itemId,\n connector: item.connector,\n createdAt: item.createdAt,\n updatedAt: item.updatedAt,\n status: item.status,\n executionStatus: item.executionStatus,\n lastUpdatedAt: item.lastUpdatedAt,\n webhookURL: item.webhookUrl,\n error: item.error,\n clientUserId: item.clientUserId,\n statusDetail: item.statusDetail,\n parameter: item.parameter\n}\n\ndelete item.itemId\ndelete item.connector\ndelete item.createdAt\ndelete item.updatedAt\ndelete item.status\ndelete item.executionStatus\ndelete item.lastUpdatedAt\ndelete item.webhookUrl\ndelete item.error\ndelete item.clientUserId\ndelete item.statusDetail\ndelete item.parameter\n\nreturn item;"
},
"name": "Format Account Object",
"type": "n8n-nodes-base.functionItem",
"typeVersion": 1,
"position": [
1400,
620
],
"id": "a0c0172a-d3af-401f-add9-d0f3e931046e"
},
{
"parameters": {
"mode": "keepKeyMatches",
"propertyName1": "accountId",
"propertyName2": "_id"
},
"name": "Merge Transaction with Account",
"type": "n8n-nodes-base.merge",
"typeVersion": 1,
"position": [
2120,
860
],
"id": "3ed6f8fc-21fb-4365-b04a-d2212e8282db"
},
{
"parameters": {
"functionCode": "item.account = {\n _id: item.accountId,\n subtype: item.subtype,\n name: item.name,\n itemId: item.itemId,\n number: item.number,\n marketingName: item.marketingName,\n taxNumber: item.taxNumber,\n owner: item.owner,\n bankData: item.bankData,\n creditData: item.creditData,\n item: item.item\n}\n\ndelete item.accountId\ndelete item.subtype\ndelete item.name\ndelete item.itemId\ndelete item.number\ndelete item.marketingName\ndelete item.taxNumber\ndelete item.owner\ndelete item.bankData\ndelete item.creditData\ndelete item.item\n\nreturn item;"
},
"name": "Format Account Object1",
"type": "n8n-nodes-base.functionItem",
"typeVersion": 1,
"position": [
2340,
860
],
"id": "708f435e-29dc-4549-8192-e94e6272061f"
},
{
"parameters": {
"functionCode": "const allData = []\n\nlet counter = 0;\ndo {\n try {\n const items = $items(\"Transactions List with Pages\", 0, counter).map(item => item.json);\n allData.push.apply(allData, items);\n } catch (error) {\n return [{json: {allData}}]; \n }\n\n counter++;\n} while(true);\n\n\n"
},
"name": "Function",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
1880,
1280
],
"id": "af216c8c-ee56-4774-acbc-4118b472cc6e"
},
{
"parameters": {
"options": {}
},
"id": "11f9f44a-fa4c-4636-87d6-d10669d0cf69",
"name": "To Do",
"type": "n8n-nodes-base.itemLists",
"typeVersion": 1,
"position": [
2080,
1280
]
}
],
"connections": {
"Accounts List": {
"main": [
[
{
"node": "Get Transactions First Page",
"type": "main",
"index": 0
},
{
"node": "Rename Account Id",
"type": "main",
"index": 0
}
]
]
},
"Rename Account Id": {
"main": [
[
{
"node": "Merge Item with Account",
"type": "main",
"index": 0
}
]
]
},
"Rename Transaction Id": {
"main": [
[
{
"node": "Merge Transaction with Account",
"type": "main",
"index": 0
}
]
]
},
"Rename Item Id": {
"main": [
[
{
"node": "Save Item to DB",
"type": "main",
"index": 0
},
{
"node": "Merge Item with Account",
"type": "main",
"index": 1
}
]
]
},
"Unique Accounts with Transactions": {
"main": [
[
{
"node": "More Pages?",
"type": "main",
"index": 0
}
]
]
},
"Transactions List with Pages": {
"main": [
[
{
"node": "Unique Accounts with Transactions",
"type": "main",
"index": 0
}
]
]
},
"More Pages?": {
"main": [
[
{
"node": "Get Transactions Next Pages",
"type": "main",
"index": 0
}
],
[
{
"node": "Function",
"type": "main",
"index": 0
}
]
]
},
"Get Transactions First Page": {
"main": [
[
{
"node": "Transactions List with Pages",
"type": "main",
"index": 0
}
]
]
},
"Get Transactions Next Pages": {
"main": [
[
{
"node": "Transactions List with Pages",
"type": "main",
"index": 0
}
]
]
},
"Aggregate Results": {
"main": [
[
{
"node": "Final Transactions List",
"type": "main",
"index": 0
}
]
]
},
"Merge Item with Account": {
"main": [
[
{
"node": "Format Account Object",
"type": "main",
"index": 0
}
]
]
},
"Format Account Object": {
"main": [
[
{
"node": "Save Accounts to DB",
"type": "main",
"index": 0
},
{
"node": "Merge Transaction with Account",
"type": "main",
"index": 1
}
]
]
},
"Merge Transaction with Account": {
"main": [
[
{
"node": "Format Account Object1",
"type": "main",
"index": 0
}
]
]
},
"Function": {
"main": [
[
{
"node": "To Do",
"type": "main",
"index": 0
}
]
]
},
"To Do": {
"main": [
[
{
"node": "Rename Transaction Id",
"type": "main",
"index": 0
}
]
]
}
}
}
``