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This issue affects 1 person(s).
 12
IDProjectCategoryView StatusLast Update
20518Bug reports_ Unknownpublic2026-05-19 18:07
Reporterritapas Assigned To 
PrioritynoneSeverityblock 
Status closedResolutionfixed 
Product Version6.16.x 
Fixed in Version6.17.x 
Summary20518: self registration survey raises 500: Internal Server Error - Database error!
Description

if you activate a survey with self registration, you get 500: Internal Server Error - Database error!

also in demo

if you then get back to survey, it is active but open

Steps To Reproduce

Steps to reproduce

create survey with at least 1 grooup and 1 question
allow public registration in participant settings
activate survey as closed

Expected result

survey active

Actual result

https://demo.limesurvey.org/index.php?r=surveyAdministration/activate
500: Internal Server Error - Database error!
An internal error occurred while the Web server was processing your request.
Please contact Administrator to report this problem.

TagsNo tags attached.
Attached Files
immagine.png (12,424 bytes)   
immagine.png (12,424 bytes)   
Bug heat12
Complete LimeSurvey version number (& build)6.16.13
I will donate to the project if issue is resolvedNo
Story point estimate
Browser
Database type & versionn/a
Server OS (if known)
Webserver software & version (if known)limesurvey demo as of may 19th but also in our on-premises LS
PHP Versionn/a

Users monitoring this issue

ritapas

Activities

tibor.pacalat

tibor.pacalat

2026-05-19 16:14

administrator   ~84835

I have tested this on production version 6.17.3 (my account, not demo) and couldn't reproduce it with the steps provided.

tibor.pacalat

tibor.pacalat

2026-05-19 16:15

administrator   ~84836

Can you provide me with more information, maybe set debug=2 in the config and let em know what is the output?

DenisChenu

DenisChenu

2026-05-19 16:17

developer   ~84837

Reproduce in demo with

create survey with at least 1 grooup and 1 question
allow public registration in participant settings
activate survey with closed-access mode

tibor.pacalat

tibor.pacalat

2026-05-19 16:45

administrator   ~84839

@DenisChenu did you try on same version on some of your accounts? If demo is broken than the issue is very local, opposed to something that is a bug in every instance of Limesurvey.

ritapas

ritapas

2026-05-19 16:57

reporter   ~84841

hello Tibor, thank you for your replies! The issue happenss in demo as well as in our on-premises LimeSurvey (same version as demo). Can you enable debug in the demo site?

DenisChenu

DenisChenu

2026-05-19 17:14

developer   ~84842

I cannot reproduce on 6.17.3 git local version :(

DenisChenu

DenisChenu

2026-05-19 17:15

developer   ~84843

@ritapas on your on-premises with debug=1 or with error log activated?

ritapas

ritapas

2026-05-19 17:17

reporter   ~84844

@DenisChenu fine, I'll have the debug flag set or either the error log, please give some direction and please also tell me where to look for the information you need

domegen

domegen

2026-05-19 17:20

reporter   ~84845

The issue il related to a non-inizialized participants table in the database. In the previous versions of limesurvey, once activated the survey (with public registration but without the inizialized participants table) there was a message like this: " The survey has been activated. The results tables have been created successfully. This survey allows for public recording. You also need to create a table of survey participants. "
I think there is just a problem in the message to show on the browser once activated the survey.

Immagine 2026-05-19 171922.png (32,226 bytes)   
Immagine 2026-05-19 171922.png (32,226 bytes)   
tibor.pacalat

tibor.pacalat

2026-05-19 17:23

administrator   ~84846

Demo was not on the same version. It has been fixed now, at least concerning my tests on it just now.

DenisChenu

DenisChenu

2026-05-19 17:25

developer   ~84847

@DenisChenu fine, I'll have the debug flag set or either the error log, please give some direction and please also tell me where to look for the information you need

When you activate, you don't have a better error returned?

ritapas

ritapas

2026-05-19 17:28

reporter   ~84848

@denischenu who are you asking?

ritapas

ritapas

2026-05-19 17:33

reporter   ~84849

@tibor.pacalat so is it fixed in version 6.17.2?

c_schmitz

c_schmitz

2026-05-19 18:06

administrator   ~84851

yes

Issue History

Date Modified Username Field Change
2026-05-19 15:01 ritapas New Issue
2026-05-19 15:01 ritapas File Added: immagine.png
2026-05-19 15:11 ritapas Issue Monitored: ritapas
2026-05-19 15:11 ritapas Bug heat 0 => 2
2026-05-19 16:14 tibor.pacalat Note Added: 84835
2026-05-19 16:14 tibor.pacalat Bug heat 2 => 4
2026-05-19 16:15 tibor.pacalat Assigned To => tibor.pacalat
2026-05-19 16:15 tibor.pacalat Status new => feedback
2026-05-19 16:15 tibor.pacalat Note Added: 84836
2026-05-19 16:17 DenisChenu Note Added: 84837
2026-05-19 16:17 DenisChenu File Added: Capture vidéo du 2026-05-19 16-16-57.mp4
2026-05-19 16:17 DenisChenu Bug heat 4 => 6
2026-05-19 16:45 tibor.pacalat Note Added: 84839
2026-05-19 16:57 ritapas Note Added: 84841
2026-05-19 16:57 ritapas Bug heat 6 => 8
2026-05-19 16:57 ritapas Status feedback => assigned
2026-05-19 17:14 DenisChenu Note Added: 84842
2026-05-19 17:15 DenisChenu Note Added: 84843
2026-05-19 17:17 ritapas Note Added: 84844
2026-05-19 17:20 domegen Note Added: 84845
2026-05-19 17:20 domegen File Added: Immagine 2026-05-19 171922.png
2026-05-19 17:20 domegen Bug heat 8 => 10
2026-05-19 17:23 tibor.pacalat Note Added: 84846
2026-05-19 17:23 tibor.pacalat Status assigned => resolved
2026-05-19 17:23 tibor.pacalat Resolution open => fixed
2026-05-19 17:25 DenisChenu Note Added: 84847
2026-05-19 17:28 ritapas Note Added: 84848
2026-05-19 17:33 ritapas Note Added: 84849
2026-05-19 18:06 c_schmitz Note Added: 84851
2026-05-19 18:06 c_schmitz Bug heat 10 => 12
2026-05-19 18:07 c_schmitz Assigned To tibor.pacalat =>
2026-05-19 18:07 c_schmitz Status resolved => closed
2026-05-19 18:07 c_schmitz Fixed in Version => 6.17.x