[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["이해하기 어려움","hardToUnderstand","thumb-down"],["잘못된 정보 또는 샘플 코드","incorrectInformationOrSampleCode","thumb-down"],["필요한 정보/샘플이 없음","missingTheInformationSamplesINeed","thumb-down"],["번역 문제","translationIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2025-09-04(UTC)"],[],[],null,["# Troubleshoot managing deployed agents\n\nThis document describes how to resolve errors that you might encounter when\n[managing deployed agents](/vertex-ai/generative-ai/docs/agent-engine/manage/overview).\n\nError when filtering the list of agents\n---------------------------------------\n\n**Issue**:\n\nYou receive an error message similar to the following: \n\n InvalidArgument: 400 Provided filter is not valid.\n\n**Possible cause**:\n\nYour filter isn't formatted properly.\n\n**Recommended solution**:\n\nUpdate the formatting of your filter so it's formatted correctly. For example,\nyou might be using the following to filter by display name. This filter isn't\nformatted correctly because it's missing quotation marks: \n\n from vertexai import agent_engines\n\n agent_engines.list(filter=f'display_name={DISPLAY_NAME}')\n\nIn this case, enclose `{DISPLAY_NAME}` in double-quotation marks: \n\n from vertexai import agent_engines\n\n agent_engines.list(filter=f'display_name=\"{DISPLAY_NAME}\"')"]]
