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IDProjectCategoryView StatusLast Update
20514Bug reportsSurvey takingpublic2026-05-13 13:25
Reporterhinghang Assigned To 
PrioritynoneSeverityminor 
Status newResolutionopen 
Product Version6.14.x 
Summary20514: Intermittent currval of sequence is not yet defined error during survey response submission on Patroni PostgreSQL cluster
Description

When end-users attempt to submit survey responses, LimeSurvey intermittently fails and throws the following database exception:

currval of sequence "limesurvey[SURVEY_ID]_id_seq" is not yet defined in this session

The issue occurs in bursts affecting a subset of users during a specific period. After a period of time, the issue resolves itself automatically without requiring a manual database or application restart.

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Expected result

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TagsNo tags attached.
Bug heat0
Complete LimeSurvey version number (& build)6.14.0+250520
I will donate to the project if issue is resolvedNo
Browser
Database type & versionPostgreSQL 16.6 with Patroni 4.0.4
Server OS (if known)
Webserver software & version (if known)
PHP Version8.3.22

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Issue History

Date Modified Username Field Change
2026-05-13 13:25 hinghang New Issue