Hi Kamlesh,
I guess this all plugins are out dated. which is not supported 3.4. But as you send screenshot it's means "The files are 'missing from disk' which means what it says - they are not there." as Howard said.
In reply to Nilesh Pathade
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https://github.com/netspotau/moodle-local_cohort_automation
...is the middle one, although it hasn't been updated in 4 years so has probably been abandoned. This is a chance you take using optional plugins. If you really need it, you might have to find/pay a developer to bring it up to date.
The other two don't seem to exist at all. Is it possible that they were custom developments just for you?
Getting a bit fed up of repeating myself, but unless you can provide the old (2.7) code for us to look at there isn't much more we can do to help.
Hi Howard,
Can this possible to change version.php file and try to install? May be this is not permanent and GOOD Solutions. but I have change this and I am able to install at least...
$plugin->version = 2018012000;
$plugin->release = '3.4.1';
$plugin->maturity = MATURITY_STABLE;
$plugin->requires = 2014051200;
$plugin->component = 'local_cohort_automation';
I have try this in 3.4.1
There's no need to change version.php. The original version of that file (looking at the Github repo) said $plugin->requires = 2013051400;
3.4.1 is loads newer that 2013051400, so there's nothing in the version file to stop it installing.
Local plugins have not changed much so it will probably work. The only risk is really it (trying to) call deprecated functions. The only way to establish that is to try it.
Please see previous response:
https://moodle.org/mod/forum/discuss.php?d=365956#p1476032
Repeat: if there are no instances used in any course of the site, there is no need to seek upgrades ... by any means.
'spirit of sharing', Ken