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This issue affects 6 person(s).
 42
IDProjectCategoryView StatusDate SubmittedLast Update
20613Bug reportsSurvey editingpublic2026-07-17 19:592026-08-05 15:00
Reporterfrankro14 Assigned ToDenisChenu  
PrioritynoneSeveritycrash 
Status closedResolutionfixed 
Summary20613: Survey logic overview option shows error 500
Description

Have a survey developed in Limesurvey version 6, after importing it, and then click in the "Survey logic overview" option, an error appears in screen: "500: Internal Server Error - array_merge(): Argument #2 must be of type array, null given"
Issue confirmed in a locally installed Limesurvey 7.0.5 and in the demo site (demo.limesurvey.org) with Limesurvey 7.0.4
Tested it in the latest version of Limesurvey 6 available (6.7.11), and no issues.

Steps To Reproduce

Steps to reproduce

  1. Click in the "Import survey" option
  2. Select the lss file attached to this issue
  3. Confirm the import
  4. Go to the home menu of the survey
  5. Click the "Survey logic overview" option

Expected result

The survey logic overview option appears

Actual result

A crash screen appears: "500: Internal Server Error - array_merge(): Argument #2 must be of type array, null given"

TagsNo tags attached.
Attached Files
Error Limesurvey 2.png (50,768 bytes)   
Error Limesurvey 2.png (50,768 bytes)   
Bug heat42
Complete LimeSurvey version number (& build)x
I will donate to the project if issue is resolved
Story point estimate
Browser
Database type & version
Server OS (if known)
Webserver software & version (if known)
PHP Version

Users monitoring this issue

DeJesus88

Activities

frankro14

frankro14

2026-07-17 21:10

reporter   ~85214

For some reason, the lss file was not uploaded when I created the issue. I'm attaching it here

limesurvey_survey_33.lss (686,701 bytes)
DeJesus88

DeJesus88

2026-07-28 21:43

reporter   ~85275

That is a critical error, because I don't search the correctly the logical structure and detective preliminary errors before aplicactions.
gabrieljenik

gabrieljenik

2026-08-04 14:59

manager   ~85322

https://github.com/LimeSurvey/LimeSurvey/pull/5200
guest

guest

2026-08-04 16:54

viewer   ~85328

Fix committed to master branch: http://bugs.limesurvey.org/plugin.php?page=Source/view&id=40097
LimeBot

LimeBot

2026-08-05 15:00

administrator   ~85354

Fixed in Release 7.0.8+260806

Related Changesets

LimeSurvey: master b2da4143

2026-08-04 16:54

Gabriel Jenik

Committer: GitHub


Details Diff		 Fixed issue 20613: Survey logic overview option shows error 500 (05200)

Co-authored-by: lapiudevgit <devgit@lapiu.biz>		 Affected Issues
20613
mod - application/helpers/expressions/em_manager_helper.php Diff File

Issue History

Date Modified Username Field Change
2026-07-17 19:59 frankro14 New Issue
2026-07-17 19:59 frankro14 File Added: Error Limesurvey 2.png
2026-07-17 21:10 frankro14 Note Added: 85214
2026-07-17 21:10 frankro14 File Added: limesurvey_survey_33.lss
2026-07-17 21:10 frankro14 Bug heat 0 => 2
2026-07-21 15:06 guest Bug heat 2 => 8
2026-07-21 17:56 tibor.pacalat Assigned To => gabrieljenik
2026-07-21 17:56 tibor.pacalat Status new => assigned
2026-07-21 19:02 guest Bug heat 8 => 14
2026-07-22 14:30 anubis91 Bug heat 14 => 20
2026-07-23 15:43 guest Bug heat 20 => 26
2026-07-23 16:35 guest Bug heat 26 => 32
2026-07-23 16:36 guest Bug heat 32 => 26
2026-07-23 16:36 guest Bug heat 26 => 32
2026-07-28 21:41 DeJesus88 Issue Monitored: DeJesus88
2026-07-28 21:41 DeJesus88 Bug heat 32 => 34
2026-07-28 21:43 DeJesus88 Note Added: 85275
2026-07-28 21:43 DeJesus88 Bug heat 34 => 36
2026-08-04 14:59 gabrieljenik Assigned To gabrieljenik => DenisChenu
2026-08-04 14:59 gabrieljenik Status assigned => ready for code review
2026-08-04 14:59 gabrieljenik Complete LimeSurvey version number (& build) => x
2026-08-04 14:59 gabrieljenik Note Added: 85322
2026-08-04 14:59 gabrieljenik Bug heat 36 => 38
2026-08-04 16:54 Changeset attached => LimeSurvey master b2da4143
2026-08-04 16:54 guest Note Added: 85328
2026-08-04 16:54 guest Bug heat 38 => 40
2026-08-04 16:54 tibor.pacalat Status ready for code review => resolved
2026-08-04 16:54 tibor.pacalat Resolution open => fixed
2026-08-05 15:00 LimeBot Note Added: 85354
2026-08-05 15:00 LimeBot Status resolved => closed
2026-08-05 15:00 LimeBot Bug heat 40 => 42