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IDProjectCategoryView StatusLast Update
15659Bug reportsSurvey takingpublic2020-07-10 00:27
Reporteruniversewater Assigned To 
Status feedbackResolutionopen 
Product Version3.21.1 
Summary15659: Unable to change uploaded files in File Upload Question type

After taking a survey in which different groups have different file upload question types, if you use backward navigation, you can't change the uploaded file, at least in the conditions mentioned in "Steps to Reproduce".

Steps To Reproduce
  1. Create a survey with group by group survey taking and allow backward navigation
  2. Create 2 groups of questions, and create in each group a question of type file upload
  3. Fill in max number of files in every question as 1 and only allow pdf extension.
  4. Fill in min number of files in every question as 1 and only allow pdf extension.
  5. Activate survey, upload file in group 1. Move to the next upload file in group 2 (another page). Now, move back to previous one. Delete the file and try to upload another one. The file doesn't change, only the first uploaded appears in the screen.
TagsNo tags attached.
Complete LimeSurvey version number (& build) 3.21.1+191210 and 3.17.5+190604
I will donate to the project if issue is resolvedNo
Database & DB-Version10.1.43-MariaDB, 10.3.20-MariaDB
Server OS (if known)
Webserver software & version (if known)
PHP Version7.2 and 7.3




2019-12-13 16:00

developer   ~55027

Can you send the LSS with this 2 groups ?
And if possible with only this 2 questions.



2019-12-13 16:06

reporter   ~55029

LSS where this problem happens.



2020-07-10 00:27

manager   ~58888

Cannot reproduce this issue on latest LTS. Could you please tell us if the issue still exists?

Issue History

Date Modified Username Field Change
2019-12-13 14:13 universewater New Issue
2019-12-13 16:00 DenisChenu Note Added: 55027
2019-12-13 16:06 universewater File Added: limesurvey_survey_646852.lss
2019-12-13 16:06 universewater Note Added: 55029
2020-01-10 15:42 cdorin Assigned To => cdorin
2020-01-10 15:42 cdorin Status new => assigned
2020-07-10 00:27 cdorin Assigned To cdorin =>
2020-07-10 00:27 cdorin Status assigned => feedback
2020-07-10 00:27 cdorin Note Added: 58888