Copilot Studio Friction Index
Error-code index
Every error code and error message in the register, verbatim and alphabetical. Seeing one of these? Follow the link to the dated, verified fix.
Error codes
ContentFilteredAgent gives no answer and no error messageOpenEnforcementMessage"This agent is currently unavailable. It has reached its usage limit."MitigatedFederatedKnowledgeSearchOperationUsers get "Unable to provision connection" prompts instead of answersMitigatedFlowActionBadRequestFlow fails with "FlowActionBadRequest"MitigatedFlowActionTimedOutAgent flow fails with FlowActionTimedOut after about 100 secondsOpenGenAISearchandSummarizeRateLimitReachedAgent stops with GenAIToolPlannerRateLimitReached or another rate-limit errorMitigatedGenAIToolPlannerRateLimitReachedAgent stops with GenAIToolPlannerRateLimitReached or another rate-limit errorMitigatedMessageSizeExceeded"Outgoing message size too big" — the answer never arrivesMitigatedOpenAIRateLimitReachedAgent stops with GenAIToolPlannerRateLimitReached or another rate-limit errorMitigatedSystemErrorTeams shows "SystemError" although the agent answered correctlyMitigated
Error messages
{"explanation_of_tool_call": …}Users see raw {"explanation_of_tool_call": …} JSON — only in productionMitigated1 error is preventing your agent from being published"1 error is preventing your agent from being published"MitigatedA JSON could not be generated. Edit your prompt instruction and try again."A JSON could not be generated. Edit your prompt instruction…"MitigatedConversation state size exceeds the maximum allowed limit"Conversation state size exceeds the maximum allowed limit"MitigatedNo GPT component found for connected agent"No GPT component found for connected agent" when your agent calls another agentMitigatedNo output was received from flow …, even though output was expected as per the agent definition"No output was received from flow" — outputs never arriveMitigatedOutgoing message size too big"Outgoing message size too big" — the answer never arrivesMitigatedSorry, something unexpected happened... Error code: SystemErrorTeams shows "SystemError" although the agent answered correctlyMitigatedThe output parameter with name {ItemKey} on flow … is missing from the response data"No output was received from flow" — outputs never arriveMitigatedThis agent is currently unavailable. It has reached its usage limit."This agent is currently unavailable. It has reached its usage limit."MitigatedThis item could not be found. Please use the Copy Link button from the Share menuCan't add SharePoint source: "This item could not be found… Copy Link"MitigatedUnable to provision connectionUsers get "Unable to provision connection" prompts instead of answersMitigated