cBioPortal user reported error

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Pritam Kumar Ghosh

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Feb 6, 2026, 12:06:14 PMFeb 6
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Hi,
Please let me know why I'm getting the error. How could I fix it?
Thanks,
Pritam
PhD student 
Indian Institute of Science
Bengaluru, India

JJ Gao

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Feb 10, 2026, 5:53:55 PMFeb 10
to Pritam Kumar Ghosh, cbiop...@googlegroups.com
Hi Pritam,

Thanks for reaching out. It looks like this might have been a one-time glitch. Sorry for the inconvenience.

Could you please try refreshing the page or re-submitting the query to see if the error persists?


Best regards,
JJ Gao

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Pritam Kumar Ghosh

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Feb 10, 2026, 10:48:14 PMFeb 10
to JJ Gao, cbiop...@googlegroups.com
Thank you so much 


From: JJ Gao <jianji...@gmail.com>
Sent: Wednesday, February 11, 2026 4:23:15 AM
To: Pritam Kumar Ghosh <prita...@iisc.ac.in>
Cc: cbiop...@googlegroups.com <cbiop...@googlegroups.com>
Subject: Re: [cbioportal] cBioPortal user reported error
 
External Email

Loëtitia Favre

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Feb 19, 2026, 8:49:17 AMFeb 19
to cbiop...@googlegroups.com
Bonjour,

Je suis utilisatrice de cbioportal et j’ai fréquemment une impossibilité à l’utiliser. Le message d’erreur du jour est affiché ci-dessous.

J’accède à la requête, je choisis « curated set of non redondant Studies ». J’ajoute mes gènes d’intérêt et je lance la recherche. Impossible d’aller plus loin.

Bien cordialement,

Loëtitia Favre


https://www.cbioportal.org/results/oncoprint?tab_index=tab_visualize&Action=Submit&session_id=6996f3361e0070aa094ea46f;{"req":{"method":"POST","url":"//www.cbioportal.org/api/molecular-profiles/ucec_cptac_2020_gistic/discrete-copy-number/fetch?discreteCopyNumberEventType=HOMDEL_AND_AMP&projection=DETAILED","data":"{\"entrezGeneIds\":[7157,1956,546,5728],\"sampleListId\":\"ucec_cptac_2020_all\"}","headers":{"accept":"application/json","content-type":"application/json"}},"xhr":{"_url":"//www.cbioportal.org/api/molecular-profiles/ucec_cptac_2020_gistic/discrete-copy-number/fetch?discreteCopyNumberEventType=HOMDEL_AND_AMP&projection=DETAILED"},"text":"Bad Gateway","statusText":"","statusCode":502,"status":502,"statusType":5,"info":false,"ok":false,"redirect":false,"clientError":false,"serverError":true,"error":{"status":502,"method":"POST","url":"//www.cbioportal.org/api/molecular-profiles/ucec_cptac_2020_gistic/discrete-copy-number/fetch?discreteCopyNumberEventType=HOMDEL_AND_AMP&projection=DETAILED"},"created":false,"accepted":false,"noContent":false,"badRequest":false,"unauthorized":false,"notAcceptable":false,"forbidden":false,"notFound":false,"unprocessableEntity":false,"headers":{"content-length":"11","date":"Thu, 19 Feb 2026 11:25:47 GMT","content-type":null},"header":{"content-length":"11","date":"Thu, 19 Feb 2026 11:25:47 GMT","content-type":null},"type":"","links":{},"body":null}


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Arianna Ciocchetti

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Feb 20, 2026, 3:25:56 AMFeb 20
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https://www.cbioportal.org/results/oncoprint?cancer_study_list=lgg_tcga_pan_can_atlas_2018&Z_SCORE_THRESHOLD=2.0&RPPA_SCORE_THRESHOLD=2.0&profileFilter=mutations%2Cstructural_variants%2Cgistic&case_set_id=lgg_tcga_pan_can_atlas_2018_cnaseq&gene_list=IDH1%2520EGFR&geneset_list=%20&tab_index=tab_visualize&Action=Submit;{"req":{"method":"POST","url":"//www.cbioportal.org/api/clinical-attributes/counts/fetch","data":"{\"sampleListId\":\"lgg_tcga_pan_can_atlas_2018_cnaseq\"}","headers":{"accept":"application/json","content-type":"application/json"}},"xhr":{"_url":"//www.cbioportal.org/api/clinical-attributes/counts/fetch"},"text":"no available server\n","statusText":"","statusCode":503,"status":503,"statusType":5,"info":false,"ok":false,"redirect":false,"clientError":false,"serverError":true,"error":{"status":503,"method":"POST","url":"//www.cbioportal.org/api/clinical-attributes/counts/fetch"},"created":false,"accepted":false,"noContent":false,"badRequest":false,"unauthorized":false,"notAcceptable":false,"forbidden":false,"notFound":false,"unprocessableEntity":false,"headers":{"content-length":"20","content-type":"text/plain; charset=utf-8","date":"Thu, 19 Feb 2026 14:21:28 GMT","x-content-type-options":"nosniff"},"header":{"content-length":"20","content-type":"text/plain; charset=utf-8","date":"Thu, 19 Feb 2026 14:21:28 GMT","x-content-type-options":"nosniff"},"type":"text/plain","charset":"utf-8","links":{},"body":null}


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ole...@thehyve.nl

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Feb 20, 2026, 3:31:46 AMFeb 20
to cBioPortal for Cancer Genomics Discussion Group
Hi Arianna,

Can you try your query again? When I access the link you've reported, I see the Oncoprint without any errors.

Thank you.

Best regards,

Oleguer Plantalech

Data Engineer & Project Manager


E ole...@thehyve.nl

T +31 30 700 9713

W thehyve.nl


    

Marcela Ramirez

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Feb 27, 2026, 3:53:46 PMFeb 27
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https://www.cbioportal.org/results?cancer_study_list=all_stjude_2016&tab_index=tab_visualize&case_set_id=all_stjude_2016_all&Action=Submit&gene_list=NRAS;{"type":"ErrorBoundary","log":"NotFoundError: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node."}

bir...@icloud.com

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Feb 27, 2026, 3:53:46 PMFeb 27
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bir...@icloud.com

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Feb 27, 2026, 3:53:46 PMFeb 27
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Gaofei Zhao

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Mar 3, 2026, 5:15:23 PM (13 days ago) Mar 3
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We’ve just deployed a performance improvement for the co-expression feature. Could you please give it another try?

Best,
Gaofei

On Fri, Feb 27, 2026 at 3:53 PM birdll via cBioPortal for Cancer Genomics Discussion Group <cbiop...@googlegroups.com> wrote:
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t.ish...@ltt.co.jp

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Mar 4, 2026, 10:13:25 AM (12 days ago) Mar 4
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https://www.cbioportal.org/results;{"type":"ErrorBoundary","log":"TypeError: Cannot read properties of undefined (reading 'split')"}

bir...@icloud.com

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Mar 6, 2026, 6:22:19 AM (11 days ago) Mar 6
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高橋美湖

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Mar 9, 2026, 12:08:53 AM (8 days ago) Mar 9
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