Hi
I have upgraded a J3.10.11 site to a J4.1.5 test site.
I have RSVP and custom fields installed.
I have created a test event and on saving I get a "<strong>An error has occurred - 500 Category must have a title</strong>".
Any easy way to resolve?
Cheers Pete


<code>
PHP Version : 8.1.9
MySQL Version : 10.3.35-MariaDB-cll-lve
Server Information : Linux au20.tmd.cloud 3.10.0-962.3.2.lve1.5.67.el7.x86_64 #1 SMP Fri Mar 25 07:13:21 UTC 2022 x86_64
Fix jQuery? : Yes
Load JEvents Bootstrap CSS? : No
Max Input Vars ? : 3000
Club code set? : Yes
User Agent : Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Joomla : 4.1.5
component_com_jevents : 3.6.39
component_com_rsvppro : 3.7.13
component_com_jce : 2.9.29
module_mod_jevents_cal : 3.6.39
module_mod_jevents_custom : 3.6.39
module_mod_jevents_filter : 3.6.39
module_mod_jevents_latest : 3.6.39
module_mod_jevents_legend : 3.6.39
module_mod_jevents_switchview : 3.6.39
layout_JEventsExtPlusLayout : 3.6.8
layout_JEventsFlatplusLayout : 3.6.5
layout_JEventsIconicLayout : 3.6.6
plugin_actionlog_jevents : 3.6.39 (not enabled)
plugin_content_jevent_embed : 3.6.0
plugin_content_jevents : 3.6.39
plugin_finder_jevents : 3.6.39
plugin_installer_jeventsinstaller : 3.6.39
plugin_jevents_agendaminutes : 3.6.3
plugin_jevents_jevcustomfields : 3.7.5
plugin_jevents_jevrsvppro : 3.7.13
plugin_jevents_jevtimelimit : 3.6.3
plugin_rsvppro_authorizenet : 3.7.13 (not enabled)
plugin_rsvppro_manual : 3.7.13 (not enabled)
plugin_rsvppro_mollie : 3.7.13 (not enabled)
plugin_rsvppro_paypalexpress : 3.7.13 (not enabled)
plugin_rsvppro_paypalipn : 3.7.13 (not enabled)
plugin_rsvppro_quickpay : 3.7.13 (not enabled)
plugin_rsvppro_stripe : 3.7.13 (not enabled)
plugin_search_eventsearch : 3.6.39
plugin_system_gwejson : 3.6.39
plugin_system_hika_rsvp_redirect : 3.7.13 (not enabled)
</code>