Irina Oshchepkova
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Articles
Recent activity by Irina Oshchepkova-
Katalyst: Server security and access issues
DescriptionGeneral Guidance on troubleshooting Katalyst server access issues (HTTPS, certificates, and endpoints)Users intermittently or consistently cannot access Katalyst.Common symptoms:Browser ...
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Katalyst: Distinguishing between project, study, and campaign fields
DescriptionKatalyst deployments often define multiple hierarchical fields, such as:Project,Study,Campaign,Assay type.Users are unsure how to fill these consistently, leading to messy reporting and ...
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Katalyst: Experiments fail to finalize due to unresolved warnings
DescriptionAttempting to finalize an experiment shows a list of warnings (e.g., missing data, questionable results).Katalyst refuses to finalize until these warnings are cleared or acknowledged.Use...
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Katalyst: Access blocked due to SSL certificate issues
DescriptionUsers cannot access the Katalyst web application over HTTPS; browsers may show security warnings or refuse the connection.The issue typically occurs around the time an SSL/TLS certificat...
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Katalyst: Understanding which Katalyst experiment fields are used in standard reports
DescriptionUsers fill many metadata fields but are unsure which ones matter for:Standard summary reports,Regulatory or management dashboards,External exports.This leads to inconsistent data entry a...
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Katalyst: Re-opening a finalized Katalyst experiment gives an error: arcus_source is not explicitly false
DescriptionUsers attempt to re‑open a previously finalized experiment in Katalyst and receive an error similar to:Cannot reopen experiment <KAT ID>: arcus_source is not explicitly falseThe associat...
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Katalyst: Export fails when experiment contains unsupported or custom data types
DescriptionSome experiments contain:Custom data types or metadata fields.Experimental features from pilot integrations.Export to a downstream system fails, often with messages about unknown or unsu...
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Katalyst: Error when opening experiments created in much older versions
DescriptionExperiments created many versions ago (major upgrades since then) sometimes:Fail to open, orOpen with missing components (plates, analyses).Newer experiments open without problems.Soluti...
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Katalyst: Changes lost when browser is refreshed or back button is used during Katalyst editing
DescriptionWhile editing experiments (plates, materials, metadata), a user:Clicks the browser’s Back button, orRefreshes the page.Unsaved changes are lost without clear warning.SolutionExplain beha...
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Katalyst: Changing plate type (e.g., 96-well to 384-well) mid-experiment leads to errors or misaligned wells
DescriptionUsers initially configure a plate as 96‑well, then later realize they need 384‑well (or vice versa).Attempting to change plate type:Causes errors, orLeaves well mappings inconsistent wit...