Whatsapp business error code 400

Hi has anybody had this problem and how do you fix it

{
“errorMessage”: “Bad request - please check your parameters”,
“errorDescription”: “Recipient phone number not in allowed list”,
“errorDetails”: {
“httpCode”: “400”
},
“n8nDetails”: {
“nodeName”: “WhatsApp Business Cloud”,
“nodeType”: “n8n-nodes-base.whatsApp”,
“nodeVersion”: 1,
“resource”: “message”,
“operation”: “sendTemplate”,
“itemIndex”: 0,
“runIndex”: 0,
“time”: “6/24/2025, 7:11:58 PM”,
“n8nVersion”: “1.97.1 (Cloud)”,
“binaryDataMode”: “filesystem”,
“stackTrace”: [
“NodeApiError: Bad request - please check your parameters”,
" at ExecuteSingleContext.sendErrorPostReceive (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@[email protected]_asn1.js@5_12b981d6b49d407a163f4d5244314033/node_modules/n8n-nodes-base/nodes/WhatsApp/MessageFunctions.ts:230:9)“,
" at RoutingNode.runPostReceiveAction (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/routing-node.ts:348:24)”,
" at RoutingNode.postProcessResponseData (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/routing-node.ts:531:30)“,
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/routing-node.ts:769:17”,
" at processTicksAndRejections (node:internal/process/task_queues:95:5)“,
" at RoutingNode.makeRequest (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/routing-node.ts:762:19)”,
" at async Promise.allSettled (index 0)“,
" at RoutingNode.runNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/routing-node.ts:273:29)”,
" at ExecuteContext.versionedNodeType.execute (/usr/local/lib/node_modules/n8n/src/node-types.ts:60:18)“,
" at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1185:9)”,
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1534:27",
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@[email protected][email protected][email protected]_/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:2098:11"
]
}
}