Overview

Koo Command Line Interface (KooCLI) classifies command errors into five types, each of which has a different identifier at the start of the error message. Troubleshoot the errors as follows:

[NETWORK_ERROR]: HTTP request exceptions. Check the network connection.
[CLI_ERROR]: KooCLI exceptions that occur during command processing. Contact the on-call personnel of KooCLI.
[USE_ERROR]: Errors caused by an incorrect parameter in a command. Modify the parameter according to the error message.
[OPENAPI_ERROR]: Errors that occur when calling a cloud service API. Contact the on-call personnel of the cloud service.
[APIE_ERROR]: Errors that occur when calling API Explorer to obtain metadata. Contact the on-call personnel of API Explorer.

Alternatively, you can look through the following FAQs to find required information.

**Table 1** FAQs
Category	Link
Authentication	How Do I Obtain a Permanent AK/SK?
	How Do I Obtain an Account ID and Project ID?
	How Do I Obtain a Region?
	How Do I Obtain a Temporary AK/SK and SecurityToken?
	Authentication Mode Priority
Profiles	Which Profile Will Be Used by Default If No Profile Is Specified in a Command?
Metadata cache	Where Are Metadata Cache Files Stored? How Do I Clear Them?
Logs	Where Are Log Files Stored?
Network connections	What Can I Do If the Network Connection Times Out?
Cloud services	Why Am I Seeing a Message Indicating an Unsupported Service?
Cloud service APIs	Why Am I Seeing a Message Indicating an Unsupported Operation?
	How Do I Specify a Cloud Service API and Its Version?
	How Can I Determine Whether a Command Is Successfully Executed from an Empty Response?
Regions	Why Am I Seeing a Message Indicating that the cli-region Parameter Is Missing?
Regions	Why Am I Seeing a Message Indicating Unsupported cli-region?
Parameters	What Are KooCLI System Parameters?
	Why Am I Seeing a Message Indicating an Invalid Parameter?
	Why Are Old and New System Parameters (Such as region and cli-region) Available? Which Parameters Are Recommended?
	Why Am I Seeing a Message Indicating a Duplicate Parameter?
	How Do I Use cli-jsonInput?
	When Can I Use cli-jsonInput?
	Why Am I Seeing a Message Indicating an Unsupported Parameter Position or Type?
	How Do I Leave a Body Parameter Empty for Cloud Service APIs?
Interactive mode and autocomplete	How Do I Use Interactive Mode and Autocomplete?
Output formats	What Output Formats Are Supported by KooCLI?
	How Do I Use JMESPath Expressions?
	Which Built-in Functions Are Supported by JMESPath?
	Which KooCLI System Parameters Are Related to Data Output? Which Ones Are Recommended?
	How Do I Use cli-output, cli-query, and cli-output-num?
	How Do I Use cli-output-rows, cli-output-cols, and cli-output-num?
	What Are the Precautions for Using cli-output-rows, cli-output-cols, and cli-output-num?
	How Do I Use cli-json-filter?
	What Are the Precautions for Using cli-json-filter?
Other	How Do I Use KooCLI in Non-configuration Mode?
	Should I Enclose a Service Name, Operation, and Parameter Value in Quotation Marks in a Command?
	What Are the Application Scenarios of Online/Offline Modes?
	How Do I Uninstall KooCLI?

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