again i got it working, but after few mins of activity its throwing me this error

Fatal Error.

Could not load the elgg:shoutout library from /home/content/23/11708523/html/test/mod/shoutout/models/model.php

InvalidParameterException Object
(
[message:protected] => Could not load the elgg:shoutout library from /home/content/23/11708523/html/test/mod/shoutout/models/model.php
[string:Exception:private] => exception 'InvalidParameterException' with message 'Could not load the elgg:shoutout library from /home/content/23/11708523/html/test/mod/shoutout/models/model.php' in /home/content/23/11708523/html/test/engine/lib/elgglib.php:121
Stack trace:
#0 /home/content/23/11708523/html/test/mod/shoutout-master/start.php(88): elgg_load_library('elgg:shoutout')
#1 [internal function]: shoutout_page_handler(Array, 'activity')
#2 /home/content/23/11708523/html/test/engine/lib/pagehandler.php(53): call_user_func('shoutout_page_h...', Array, 'activity')
#3 /home/content/23/11708523/html/test/engine/handlers/page_handler.php(46): page_handler('activity', NULL)
#4 {main}
[code:protected] => 0
[file:protected] => /home/content/23/11708523/html/test/engine/lib/elgglib.php
[line:protected] => 121
[trace:Exception:private] => Array
(
[0] => Array
(
[file] => /home/content/23/11708523/html/test/mod/shoutout-master/start.php
[line] => 88
[function] => elgg_load_library
[args] => Array
(
[0] => elgg:shoutout
)

)

[1] => Array
(
[function] => shoutout_page_handler
[args] => Array
(
[0] => Array
(
)

[1] => activity
)

)

[2] => Array
(
[file] => /home/content/23/11708523/html/test/engine/lib/pagehandler.php
[line] => 53
[function] => call_user_func
[args] => Array
(
[0] => shoutout_page_handler
[1] => Array
(
)

[2] => activity
)

)

[3] => Array
(
[file] => /home/content/23/11708523/html/test/engine/handlers/page_handler.php
[line] => 46
[function] => page_handler
[args] => Array
(
[0] => activity
[1] =>
)

)

)

[previous:Exception:private] =>
)

The error message points to a problem with the shoutout plugin.

Additionally, I see that the problem is caused by a wrong name of the shoutout plugin folder: it should not be "shoutout-master" but only "shoutout". So, rename the folder of the plugin to "shoutout".

The "-master" is added to the folder name because you either downloaded the plugin from github yourself (the github site adds the -master - more precisely the branch name -  to all zip files downloaded) or the developer published a zip file he downloaded from github himself.

Thank you