--- title: "CLOVA OCR troubleshooting" slug: "clovaocr-troubleshoot" updated: 2026-09-17T09:03:32Z published: 2026-09-17T09:33:54Z canonical: "guide.ncloud-docs.com/clovaocr-troubleshoot" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # CLOVA OCR troubleshooting Available in Classic and VPC This page lists problems you might run into when using CLOVA OCR. Click on the error to see more details. ## Troubleshoot common issues The following are examples of common errors you might encounter: [Cannot create domain](/docs/en/clovaocr-troubleshoot-common#) I cannot create a General OCR domain. I can only select templates from the domain creation page. [Issues with saving and using uploaded files](/docs/en/clovaocr-troubleshoot-common#%EC%97%85%EB%A1%9C%EB%93%9C%ED%95%98%EB%8A%94%ED%8C%8C%EC%9D%BC%EC%9D%98%EC%A0%80%EC%9E%A5%EB%B0%8F%ED%99%9C%EC%9A%A9%EB%AC%B8%EC%A0%9C) Are the uploaded files saved or used in improving performance? [Authorization of template requests](/docs/en/clovaocr-troubleshoot-common#%ED%85%9C%ED%94%8C%EB%A6%BF%EC%8B%A0%EC%B2%AD%EC%8A%B9%EC%9D%B8) The template authorization has not completed. [Disabled specialized model setting button](/docs/en/clovaocr-troubleshoot-common#%ED%8A%B9%ED%99%94%EB%AA%A8%EB%8D%B8%EC%84%A4%EC%A0%95%EB%B2%84%ED%8A%BC%EB%B9%84%ED%99%9C%EC%84%B1%ED%99%94) **[Set specialized model]** button is disabled. ## Troubleshoot billing issues The following are examples of fee issues you might encounter: [Change pricing plan](/docs/en/clovaocr-troubleshoot-pricing#%EC%9A%94%EA%B8%88%EC%A0%9C%EB%B3%80%EA%B2%BD) I cannot change my pricing plan. [Billing of unused service](/docs/en/clovaocr-troubleshoot-pricing#%EC%82%AC%EC%9A%A9%ED%95%98%EC%A7%80%EC%95%8A%EC%9D%80%EC%9A%94%EA%B8%88%EC%B2%AD%EA%B5%AC) I have never called any APIs, yet the fee has been charged. [View usage](/docs/en/clovaocr-troubleshoot-pricing#%EC%82%AC%EC%9A%A9%EB%9F%89%EC%A1%B0%ED%9A%8C) I called APIs, but the usage is displayed as 0 on My page. ## Troubleshoot error messages The following are examples of error messages you might encounter: ["API are limited to 1 API calls per domain at the same time." error message](/docs/en/clovaocr-troubleshoot-error#APIarelimitedto1APIcallsperdomainatthesametime%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Calls to this api have exceeded the rate limit: API are limited to 1 API calls per domain at the same time." error message is displayed. ["NOT_FOUND: not found matched template" error message](/docs/en/clovaocr-troubleshoot-error) When calling APIs with multiform data, the "NOT_FOUND: not found matched template" error message is displayed. ["Not Found Deploy Info: Please confirm the template is released" error message](/docs/en/clovaocr-troubleshoot-error#NotFoundDeployInfoPleaseconfirmthetemplateisreleased%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Not Found Deploy Info: Please confirm the template is released." error message is displayed. ["Recognition failure" error message](/docs/en/clovaocr-troubleshoot-error#Recognitionfailure%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Recognition failure" error message is displayed. ["Request invalid: Request data is invalid" error message](/docs/en/clovaocr-troubleshoot-error#RequestinvalidRequestdataisinvalid%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Request invalid: Request data is invalid." error message is displayed. ["Request invalid: PKIX path building failed" error message](/docs/en/clovaocr-troubleshoot-error#RequestinvalidPKIXpathbuildingfailed%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Request invalid: PKIX path building failed" error message is displayed. ["Request invalid. unsupported file format" error message](/docs/en/clovaocr-troubleshoot-error#Requestinvalidunsupportedfileformat%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "code": "0011" error message is displayed. "message": "Request invalid. unsupported file format." error message is displayed. ["Please confirm the template is released" error message](/docs/en/clovaocr-troubleshoot-error#Pleaseconfirmthetemplateisreleased%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Not Found Deploy Info: Please confirm the template is released" error message is displayed. ["Secret validate failed" error message](/docs/en/clovaocr-troubleshoot-error#Secretvalidatefailed%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) "Secret validate failed" error message is displayed. ## Learning resources We offer various materials for you to explore. To learn more about CLOVA Speech, check out these helpful links: - FAQs: [CLOVA OCR FAQs](https://www.ncloud.com/support/faq/prod?categoryCode2=AI&categoryCode3=SV_0117&page=1) - NAVER Cloud Platform blog: [Tips for using CLOVA OCR Reader that helps much easier use of OCR](https://blog.naver.com/n_cloudplatform/223272475394?trackingCode=blog_bloghome_searchlist) - NAVER Cloud Platform blog: [More powerful document recognition! CLOVA OCR specialized model (Document OCR) released!](https://blog.naver.com/n_cloudplatform/222268159654?trackingCode=blog_bloghome_searchlist) Note If you're still having trouble finding what you need, click on the feedback icon and send us your thoughts and requests. 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