Input is too long for requested model

I tried many times, got the following error
{
"errorType": "ValidationException",
"errorMessage": "Input is too long for requested model.",
"name": "ValidationException",
"$fault": "client",
"$metadata": {
"httpStatusCode": 400,
"requestId": "16fb0962-139d-4c70-ba9c-602d9630e854",
"attempts": 1,
"totalRetryDelay": 0
},
"stack": [
"ValidationException: Input is too long for requested model.",
" at de_ValidationExceptionRes (/var/task/index.js:84:74209)",
" at de_CommandError (/var/task/index.js:84:71685)",
" at process.processTicksAndRejections (node:internal/process/task_queues:95:5)",
" at async /var/task/index.js:6:161455",
" at async /var/task/index.js:15:1230",
" at async /var/task/index.js:14:15753",
" at async /var/task/index.js:65:116368",
" at async A_.callLLM (/var/task/index.js:162:1082)",
" at async A_.getTopics (/var/task/index.js:162:288)",
" at async T_.processEvent (/var/task/index.js:162:1988)"
]
}