[SOLVED] Acces Problem to view = Event for Registred up to Manager Users

Could you active the Debug System in Joomla for this error?
Active "Debug System" in Global Configuration -> System -> Debug -> Debug System = Yes
Active "Error Reporting" in Global Configuration -> System -> Server -> Error Reporting = Maxmum
Active "Log Almost Everything" in Global Configuration -> Kogging tab -> Logging -> Log AlmostEverything = "Yes"
and you send the aditional info of error and add the error log file..

Hello Developer
I tried the Fresh Installation, all new J4 and JEM4rc1. No Error at all.
Because the Customer Site is huge, I’m did try again with the update Scenario. Also Deinstalled all other Apps, let only Joomla and JEM Run.
Cleaned Database (Sessions, Versions, etc..), Also I’m Checked the Joomla Restrictions ACL, there was all original.
Also cleaned the Browser Cache and deleted all Cookies and Temp files.

I’m activated, like You Suggested Debug and Error Reporting in Joomla and also in JEM4.
Still got the Error. And in Error Reporting: Undefined property: stdClass::$flagicons_path in /(I have Screenshots from whole Prozess and Debugging)

So, I’m had the Idea to go thru all Settings and look for this Setting specific.
I checked the Path to the Country Icons, all correctly defined.
Then I’m found, why not deactivate all Settings one Time, Save and Set it all again?

And Now Works perfectly again!
Seems to be the JEM Configuration stuck in really old settings, I’m never touched it all after the Setup long Time ago, really old JEM Versions.
So many Thanks for trying to help to solve my Problem

Best Regards, Marcel Wuersch

First, run this line in mysql (change xxxxx for you joomla prefix):

and tell me if the error disappeared.

Second, run this line in your mysql console or your phpMyAdmin (replace xxxx for your Joomla prefix of the tables):

Tell me the result data, but it should be 4.0b2

The error went away for me after I selected different settings in the JEM settings, saved them and then set my desired settings again. As mentioned I have had JEM since 2016? or longer in operation. Think something "hung up, got stuck" I know from other systems and components.

But thanks to you in any case, I checked the DB, the schema now also says 4.0b2, before the update it was under schema 2.3.1

Kind regards, Marcel Würsch

Two things:
1. The INSERT was to create the flagicons_path in JEM setting (there isn't), when you have saved the JEM setting, it creates the flagicons_path field by default. For this reason, it worked.
2. JEM v.2.3.6 has changes that are required to successfully migrate to JEM 4.0.x. If you have other JEM 2.3.1, first update to v.2.3.6

Last, this case is solved and closed.