Notice: Constant PREDIS_VERSION_MAJOR already defined in C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Predis.php on line 63

Fatal error: Uncaught Error: Class 'Predis\Client' not found in C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Predis.php:133
Stack trace:
#0 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Manager.php(142): Redis_Client_Predis->getClient()
#1 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Manager.php(85): Redis_Client_Manager->createClient()
#2 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client.php(213): Redis_Client_Manager->getClient()
#3 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Cache.php(178): Redis_Client::getClient()
#4 C:\home\site\wwwroot\includes\cache.inc(32): Redis_Cache->__construct()
#5 C:\home\site\wwwroot\includes\cache.inc(57): _cache_get_object()
#6 C:\home\site\wwwroot\includes\module.inc(762): cache_get()
#7 C:\home\site\wwwroot\includes\module.inc(962): module_implements()
#8 C:\home\site\wwwroot\includes\bootstrap.inc(2024): module_invoke_all()
#9 C:\home\site\wwwroot\includes\errors.inc(210):  in C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Predis.php on line 133
E_ERROR Error in file »Predis.php« at line 133: Uncaught Error: Class 'Predis\Client' not found in C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Predis.php:133
Stack trace:
#0 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Manager.php(142): Redis_Client_Predis->getClient()
#1 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client\Manager.php(85): Redis_Client_Manager->createClient()
#2 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Client.php(213): Redis_Client_Manager->getClient()
#3 C:\home\site\wwwroot\sites\all\modules\contrib\redis\lib\Redis\Cache.php(178): Redis_Client::getClient()
#4 C:\home\site\wwwroot\includes\cache.inc(32): Redis_Cache->__construct()
#5 C:\home\site\wwwroot\includes\cache.inc(57): _cache_get_object()
#6 C:\home\site\wwwroot\includes\module.inc(762): cache_get()
#7 C:\home\site\wwwroot\includes\module.inc(962): module_implements()
#8 C:\home\site\wwwroot\includes\bootstrap.inc(2024): module_invoke_all()
#9 C:\home\site\wwwroot\includes\errors.inc(210):