Validation Errors#
OPENLLM_UNSUPPORTED_LANGUAGE#
An unsupported language is set in the language field of the OpenLLM node.Select a supported language in the OpenLLM node settings.
Check whether a valid language code has been entered in the language field.
Check the list of languages supported by the model and change it to a supported language.
Network Errors#
OPENLLM_DNS_FAILURE#
The OpenLLM node cannot find the address of the LLM server. Check whether the LLM server hostname is correct.Check whether the LLM server address entered in the host property is correct in the OpenLLM node settings.
Check whether the LLM server is running and whether there is a network connection issue.
OPENLLM_CONNECTION_REFUSED#
The connection between the OpenLLM node and the LLM server was refused. The LLM server is not responding or cannot be reached.Check whether the OpenLLM server is running.
Check whether the host and port settings of the OpenLLM node are correct.
Check whether there is any problem with the network connection.
OPENLLM_CONNECTION_TIMEOUT#
The connection to the LLM server timed out in the OpenLLM node.Check whether the url property of the OpenLLM node points to the correct LLM server address.
Check whether the LLM server is running and reachable over the network.
Increase the timeout setting of the OpenLLM node.
OPENLLM_READ_TIMEOUT#
The OpenLLM node failed to receive a response from the LLM server, so workflow execution failed.Increase the timeout value of the OpenLLM node.
Check whether the LLM server is operating properly.
Check the network connection status.
OPENLLM_WRITE_TIMEOUT#
The OpenLLM node timed out while sending a request to the LLM server.Increase the value of the timeout property in the OpenLLM node.
Check whether the LLM server is running.
Check the network connection status.
OPENLLM_SSL_ERROR#
The OpenLLM node failed to establish a secure connection with the LLM server.Check whether the SSL/TLS certificate of the OpenLLM server is valid.
Check whether the url property of the OpenLLM node uses HTTPS.
Review and save the OpenLLM node settings again in the workflow builder.
OPENLLM_CONNECTION_ERROR#
The OpenLLM node failed to connect to the LLM server. The LLM server is not responding.Check whether the url is correct in the OpenLLM node settings.
Check the network connection status and verify that the LLM server is running.
If the LLM server is protected by a firewall, configure it to allow access from the STORM platform.
OPENLLM_STREAMING_ERROR#
An error occurred during streaming in the OpenLLM node. The network connection or LLM server may be unstable.Check the network connection status.
Check whether the OpenLLM server is operating properly.
Check whether the url setting of the OpenLLM node is correct.
HTTP Status Errors#
OPENLLM_HTTP_400#
The OpenLLM node failed to call the LLM. The LLM server rejected the request.Review and revise the prompt content.
Check whether the modelName property is a model name supported by the LLM server.
Check whether the parameter settings of the OpenLLM node are valid.
OPENLLM_HTTP_401#
The OpenLLM node failed to call the LLM. Authentication failed, and the API key or authentication header is invalid.Check whether the API key or authentication header is correct in the OpenLLM node settings.
Check whether the API key is activated by the LLM provider.
Check whether the authentication information required for the workflow is configured correctly.
OPENLLM_HTTP_403#
The OpenLLM node does not have sufficient permission to call the model.Check whether the API key or access token is correct in the OpenLLM node settings.
Check whether you have permission to access the model or endpoint you want to use.
Contact the OpenLLM service provider to request the required permissions.
OPENLLM_HTTP_404#
The OpenLLM node could not find the model. The model name or endpoint URL may be incorrect.Check whether modelName is correct in the OpenLLM node settings.
Check whether endpointUrl is correct in the OpenLLM node settings.
Check whether the model server is running.
OPENLLM_HTTP_429#
The OpenLLM node failed to call the LLM. The request limit of the LLM provider has been exceeded.Check the API usage limits of the LLM provider.
Increase the interval between workflow executions.
Adjust the retry settings of the OpenLLM node.
Switch to another LLM provider or upgrade to a pricing plan with a higher usage limit.
OPENLLM_HTTP_500#
The OpenLLM node failed to call the LLM. An unexpected error occurred on the LLM provider side.Contact the OpenLLM provider to check whether the issue has been resolved.
Use another LLM provider or another OpenLLM node.
OPENLLM_HTTP_502#
The OpenLLM node failed to call the LLM. A temporary issue occurred on the LLM provider’s server.Run the workflow again after a short wait.
Check whether the model property of the OpenLLM node is configured correctly.
Contact the LLM provider to check the service status.
OPENLLM_HTTP_503#
The OpenLLM node failed to call the LLM. A temporary issue occurred in the LLM service provider.Run the workflow again after a short wait.
Configure the OpenLLM node to use another LLM provider.
Check whether the model property of the OpenLLM node is configured correctly.
OPENLLM_HTTP_504#
The LLM response timed out in the OpenLLM node. The LLM provider server did not respond in time.Check the settings of the OpenLLM node and contact the LLM provider.
Try running the workflow again.
Check the server status of the LLM provider.
OPENLLM_HTTP_CLIENT_ERROR#
The OpenLLM node failed to call the LLM. Check the request parameters, API key, and model availability.Check whether the API key is correct in the OpenLLM node settings.
Check whether the request parameters (prompt, model) meet the requirements of the LLM API.
Check whether the model you want to use is currently available.
OPENLLM_HTTP_SERVER_ERROR#
The OpenLLM node failed to call the LLM. The LLM provider returned an unexpected server error.Run the workflow again after a short wait.
Check the status of the OpenLLM server or contact the administrator.
Processing Errors#
OPENLLM_TOKEN_LIMIT_EXCEEDED#
The OpenLLM node exceeded the maximum number of tokens the model can process.Reduce the length of the prompt.
Use a model with a larger context window.
Adjust the max_tokens value in the OpenLLM node settings.
OPENLLM_INVALID_RESPONSE#
The OpenLLM node received an unexpected response. Check the compatibility of the model endpoint and API version.Check whether the model property of the OpenLLM node points to the correct model.
Check whether the API version of the OpenLLM server is compatible with the workflow.
Check whether the OpenLLM server is running properly.
OPENLLM_UNKNOWN_ERROR#
An unexpected error occurred while the OpenLLM node was calling the LLM.Check whether the settings of the OpenLLM node are correct.
Contact the LLM provider and check the logs.
Check whether all required parameters for the OpenLLM node (model, prompt, etc.) are configured.
Modified at 2026-05-27 11:29:32