Omeka Classic

Troubleshooting Report any problems you encounter when using Omeka, and get help resolving them. Installing and Upgrading Get started with Omeka. Plugins Development Questions or topics about developing plugins, themes, or patches for the Classic core. Themes Items and Collections Accessibility Please use this category to report or discuss accessibility issues or concerns with the core or addons. Import/Export

Topic	Replies	Views	Activity
About the Omeka Classic category Omeka Classic	1	2376	January 10, 2018
Problems with Elasticsearch. Plugins	1	6	January 2, 2026
Derivative Images Plugin does not create derivative images for pdf and mp4 files files Plugins	2	21	December 31, 2025
Set Default Sort in Theme or fix Default Sort plugin Omeka Classic	0	5	December 31, 2025
Pages of my site only display when I add index.php to the url Troubleshooting	1	13	December 30, 2025
Search By Metadata and blank fields Troubleshooting	6	37	December 26, 2025
Problems upgrading to Omeka classic 3.2 Troubleshooting	16	165	November 19, 2025
Zend_Auth_Adapter_Exception Omeka Classic	6	32	December 19, 2025
Solr with Omeka Class 3.2? Plugins	0	15	December 19, 2025
Data too long for column 'password' Omeka Classic	6	38	December 12, 2025
Omeka Classic 3.2 with MySql 8.4 Installing and Upgrading	2	25	November 22, 2025
SideNotes Plugin for Omeka Classic Plugins	9	109	November 22, 2025
Neatline and Omeka Plugins	1	32	November 21, 2025
Universal viewer 3d model/Three.js JSON file format Plugins	0	21	November 20, 2025
Unable to add or edit avant relationships or rules Plugins	4	26	November 20, 2025
Pixelated Images Omeka Classic	0	16	November 19, 2025
Collection metadata not showing on public collection view Omeka Classic	1	18	November 17, 2025
Images and Bookreader Omeka Classic	5	31	November 15, 2025
PDFEmbed Toolbar Plugins	1	22	November 14, 2025
Docs Viewer not rendering Plugins	1	28	October 31, 2025
Contribution plugin issue Troubleshooting	1	22	October 31, 2025
AvantSearch plugin Plugins	5	38	October 28, 2025
In Omeka 3.2 Items images are displayed at the top (large format) rather than the bottom (thumbnail)) Troubleshooting	2	28	October 28, 2025
Upgrading to Omeka 3.2 w/Large Database: Command Line Option? Installing and Upgrading	3	48	October 28, 2025
custom css plugin severe limitations Plugins	13	194	October 27, 2025
Tracking Deleted Items in Omeka Classic installs? Items and Collections	4	45	October 27, 2025
Record exception error Troubleshooting	3	37	October 27, 2025
Removing the words "Dublin Core" from Public and Admin pages Development	1	36	October 27, 2025
Is there code I can add to get rid of the white spaces in between specific Blocks in an exhibit? Troubleshooting	4	41	October 26, 2025
Updating admin email/password in Omeka Classic Troubleshooting	1	16	October 23, 2025