Irina Oshchepkova
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Articles
Recent activity by Irina Oshchepkova-
Katalyst: users lose access to experiment after project ownership change
DescriptionA Katalyst project’s ownership or responsible group changes (e.g., from one team to another).After the change, some users:Can no longer see or open experiments they previously accessed.E...
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Katalyst: Mismatch between reaction and analysis plate layouts
DescriptionUsers configure a reaction plate (e.g., 96‑ or 384‑well) and an analysis plate for analytical data.Analytical data is attached, but:Results appear in unexpected wells, orSome wells that ...
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Katalyst: Export from Katalyst to a downstream system fails due to invalid characters in names or IDs
DescriptionWhen exporting experiments or plates from Katalyst to a downstream system (e.g., ELN, registration, or external database), exports fail or are rejected.Logs or error messages mention inv...
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Katalyst: Experiment cannot be finalized due to missing analytical data
DescriptionWhen attempting to finalize an experiment, Katalyst shows a warning or error that prevents finalization:Some wells are missing required analytical data (e.g., LC/MS results).Some plates ...
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Katalyst: User cannot see certain experiments due to missing role or group assignment
DescriptionA user logs into Katalyst successfully and can see some experiments, but:Certain experiments or projects do not appear in their list.Other users (e.g., administrators) can see those expe...
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Katalyst: Robot sequence files not recognized due to naming mismatch
DescriptionAutomated robots (e.g., liquid handlers, screening instruments) generate sequence files that Katalyst should use to map wells, samples, and KAT IDs.Katalyst fails to recognize or process...
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Katalyst: Experiment fails to open due to missing or corrupt attachments
DescriptionWhen a user tries to open a specific Katalyst experiment, the UI fails with an internal error.Logs show references to missing or inconsistent “Attachments” records for that experiment.Th...
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Katalyst: High-level checklist before performing a Katalyst upgrade
DescriptionBefore upgrading Katalyst (application or components), administrators need a clear checklist to reduce the risk of downtime or data loss.Upgrades might include:New Katalyst version.Spect...
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Katalyst: Determining root cause of a Katalyst crash
DescriptionKatalyst suddenly becomes unavailable or crashes.Users cannot access the web UI or core services; existing sessions are dropped.There is concern about stability and risk of recurrence, a...
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Katalyst: Performance problems after infrastructure changes
DescriptionAfter changes to VMs, storage, or network (e.g., migration to new hypervisor, SAN, or load balancer), users report:Slow loading of experiments or plates.Timeouts or intermittent errors (...