20293: When trying to export a PDF, an error 500 "Undefined constant CURLOPT_CONNECTTIMEOUT" is displayed

This bug affects 1 person(s).

ID	Project	Category	View Status	Date Submitted	Last Update

20293	Bug reports	Print View	public	2025-10-10 08:55	2025-10-10 09:06

Reporter	el_grom	Assigned To
Priority	none	Severity	block
Status	new	Resolution	open
Product Version	6.6.x

Summary	20293: When trying to export a PDF, an error 500 "Undefined constant CURLOPT_CONNECTTIMEOUT" is displayed
Description	When we try to export a PDF of the answer of a participant for a specific survey, we got the following error: "500: Internal Server Error - Undefined constant "CURLOPT_CONNECTTIMEOUT"" Additional note: we tried to update to 6.15.15 & 6.15.16 but there is another bug preventing this update to work with SQL Server
Steps To Reproduce	Steps to reproduce Export the result of the answers of a survey (Replace this text with detailed step-by-step instructions on how to reproduce the issue) Expected result The PDF is automatically downloaded (Write here what you expected to happen) Actual result an error 500 (Write here what happened instead)
Tags	No tags attached.

Bug heat	2
Complete LimeSurvey version number (& build)	6.15.8+250825
I will donate to the project if issue is resolved	No
Browser	Edge
Database type & version	SQL Server (Azure SQL DB)
Server OS (if known)	Windows 2019
Webserver software & version (if known)
PHP Version	8.1.3

User List	There are no users monitoring this issue.

Date Modified	Username	Field	Change
2025-10-10 08:55	el_grom	New Issue
2025-10-10 09:06	DenisChenu	Note Added: 83579
2025-10-10 09:06	DenisChenu	Bug heat	0 => 2

DenisChenu 2025-10-10 09:06 developer ~83579	Can you enable debug = 2 in application/config/config.php and try again, please? Paste the complete error message here.